mirror of
https://github.com/chatmail/core.git
synced 2026-04-17 13:36:30 +03:00
695 lines
24 KiB
Rust
695 lines
24 KiB
Rust
use bitflags::bitflags;
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use quick_xml;
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use quick_xml::events::{BytesEnd, BytesStart, BytesText};
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use crate::chat;
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use crate::constants::*;
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use crate::context::*;
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use crate::dc_tools::*;
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use crate::error::Error;
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use crate::events::Event;
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use crate::job::*;
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use crate::message::*;
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use crate::param::*;
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use crate::sql;
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use crate::stock::StockMessage;
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// location handling
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#[derive(Debug, Clone, Default)]
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pub struct Location {
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pub location_id: u32,
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pub latitude: f64,
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pub longitude: f64,
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pub accuracy: f64,
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pub timestamp: i64,
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pub contact_id: u32,
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pub msg_id: u32,
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pub chat_id: u32,
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pub marker: Option<String>,
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pub independent: u32,
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}
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impl Location {
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pub fn new() -> Self {
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Default::default()
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}
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}
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#[derive(Debug, Clone, Default)]
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pub struct Kml {
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pub addr: Option<String>,
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pub locations: Vec<Location>,
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tag: KmlTag,
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pub curr: Location,
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}
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bitflags! {
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#[derive(Default)]
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struct KmlTag: i32 {
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const UNDEFINED = 0x00;
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const PLACEMARK = 0x01;
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const TIMESTAMP = 0x02;
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const WHEN = 0x04;
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const POINT = 0x08;
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const COORDINATES = 0x10;
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}
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}
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impl Kml {
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pub fn new() -> Self {
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Default::default()
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}
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pub fn parse(context: &Context, content: impl AsRef<str>) -> Result<Self, Error> {
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ensure!(
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content.as_ref().len() <= (1 * 1024 * 1024),
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"A kml-files with {} bytes is larger than reasonably expected.",
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content.as_ref().len()
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);
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let mut reader = quick_xml::Reader::from_str(content.as_ref());
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reader.trim_text(true);
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let mut kml = Kml::new();
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kml.locations = Vec::with_capacity(100);
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let mut buf = Vec::new();
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loop {
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match reader.read_event(&mut buf) {
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Ok(quick_xml::events::Event::Start(ref e)) => kml.starttag_cb(e, &reader),
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Ok(quick_xml::events::Event::End(ref e)) => kml.endtag_cb(e),
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Ok(quick_xml::events::Event::Text(ref e)) => kml.text_cb(e, &reader),
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Err(e) => {
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error!(
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context,
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"Location parsing: Error at position {}: {:?}",
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reader.buffer_position(),
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e
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);
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}
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Ok(quick_xml::events::Event::Eof) => break,
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_ => (),
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}
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buf.clear();
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}
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Ok(kml)
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}
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fn text_cb<B: std::io::BufRead>(&mut self, event: &BytesText, reader: &quick_xml::Reader<B>) {
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if self.tag.contains(KmlTag::WHEN) || self.tag.contains(KmlTag::COORDINATES) {
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let val = event.unescape_and_decode(reader).unwrap_or_default();
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let val = val
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.replace("\n", "")
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.replace("\r", "")
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.replace("\t", "")
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.replace(" ", "");
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if self.tag.contains(KmlTag::WHEN) && val.len() >= 19 {
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// YYYY-MM-DDTHH:MM:SSZ
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// 0 4 7 10 13 16 19
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match chrono::NaiveDateTime::parse_from_str(&val, "%Y-%m-%dT%H:%M:%SZ") {
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Ok(res) => {
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self.curr.timestamp = res.timestamp();
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if self.curr.timestamp > time() {
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self.curr.timestamp = time();
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}
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}
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Err(_err) => {
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self.curr.timestamp = time();
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}
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}
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} else if self.tag.contains(KmlTag::COORDINATES) {
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let parts = val.splitn(2, ',').collect::<Vec<_>>();
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if parts.len() == 2 {
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self.curr.longitude = parts[0].parse().unwrap_or_default();
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self.curr.latitude = parts[1].parse().unwrap_or_default();
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}
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}
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}
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}
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fn endtag_cb(&mut self, event: &BytesEnd) {
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let tag = String::from_utf8_lossy(event.name()).trim().to_lowercase();
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if tag == "placemark" {
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if self.tag.contains(KmlTag::PLACEMARK)
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&& 0 != self.curr.timestamp
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&& 0. != self.curr.latitude
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&& 0. != self.curr.longitude
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{
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self.locations
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.push(std::mem::replace(&mut self.curr, Location::new()));
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}
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self.tag = KmlTag::UNDEFINED;
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};
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}
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fn starttag_cb<B: std::io::BufRead>(
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&mut self,
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event: &BytesStart,
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reader: &quick_xml::Reader<B>,
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) {
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let tag = String::from_utf8_lossy(event.name()).trim().to_lowercase();
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if tag == "document" {
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if let Some(addr) = event.attributes().find(|attr| {
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attr.as_ref()
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.map(|a| String::from_utf8_lossy(a.key).trim().to_lowercase() == "addr")
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.unwrap_or_default()
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}) {
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self.addr = addr.unwrap().unescape_and_decode_value(reader).ok();
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}
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} else if tag == "placemark" {
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self.tag = KmlTag::PLACEMARK;
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self.curr.timestamp = 0;
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self.curr.latitude = 0.0;
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self.curr.longitude = 0.0;
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self.curr.accuracy = 0.0
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} else if tag == "timestamp" && self.tag.contains(KmlTag::PLACEMARK) {
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self.tag = KmlTag::PLACEMARK | KmlTag::TIMESTAMP
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} else if tag == "when" && self.tag.contains(KmlTag::TIMESTAMP) {
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self.tag = KmlTag::PLACEMARK | KmlTag::TIMESTAMP | KmlTag::WHEN
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} else if tag == "point" && self.tag.contains(KmlTag::PLACEMARK) {
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self.tag = KmlTag::PLACEMARK | KmlTag::POINT
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} else if tag == "coordinates" && self.tag.contains(KmlTag::POINT) {
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self.tag = KmlTag::PLACEMARK | KmlTag::POINT | KmlTag::COORDINATES;
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if let Some(acc) = event.attributes().find(|attr| {
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attr.as_ref()
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.map(|a| String::from_utf8_lossy(a.key).trim().to_lowercase() == "accuracy")
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.unwrap_or_default()
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}) {
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let v = acc
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.unwrap()
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.unescape_and_decode_value(reader)
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.unwrap_or_default();
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self.curr.accuracy = v.trim().parse().unwrap_or_default();
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}
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}
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}
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}
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// location streaming
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pub fn send_locations_to_chat(context: &Context, chat_id: u32, seconds: i64) {
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let now = time();
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let mut msg: Message;
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let is_sending_locations_before: bool;
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if !(seconds < 0 || chat_id <= 9i32 as libc::c_uint) {
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is_sending_locations_before = is_sending_locations_to_chat(context, chat_id);
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if sql::execute(
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context,
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&context.sql,
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"UPDATE chats \
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SET locations_send_begin=?, \
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locations_send_until=? \
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WHERE id=?",
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params![
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if 0 != seconds { now } else { 0 },
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if 0 != seconds { now + seconds } else { 0 },
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chat_id as i32,
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],
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)
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.is_ok()
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{
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if 0 != seconds && !is_sending_locations_before {
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msg = dc_msg_new(Viewtype::Text);
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msg.text =
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Some(context.stock_system_msg(StockMessage::MsgLocationEnabled, "", "", 0));
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msg.param.set_int(Param::Cmd, 8);
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chat::send_msg(context, chat_id, &mut msg).unwrap();
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} else if 0 == seconds && is_sending_locations_before {
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let stock_str =
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context.stock_system_msg(StockMessage::MsgLocationDisabled, "", "", 0);
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chat::add_device_msg(context, chat_id, stock_str);
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}
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context.call_cb(Event::ChatModified(chat_id));
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if 0 != seconds {
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schedule_MAYBE_SEND_LOCATIONS(context, 0i32);
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job_add(
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context,
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Action::MaybeSendLocationsEnded,
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chat_id as libc::c_int,
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Params::new(),
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seconds + 1,
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);
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}
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}
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}
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}
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#[allow(non_snake_case)]
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fn schedule_MAYBE_SEND_LOCATIONS(context: &Context, flags: i32) {
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if 0 != flags & 0x1 || !job_action_exists(context, Action::MaybeSendLocations) {
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job_add(context, Action::MaybeSendLocations, 0, Params::new(), 60);
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};
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}
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pub fn is_sending_locations_to_chat(context: &Context, chat_id: u32) -> bool {
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context
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.sql
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.exists(
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"SELECT id FROM chats WHERE (? OR id=?) AND locations_send_until>?;",
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params![if chat_id == 0 { 1 } else { 0 }, chat_id as i32, time()],
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)
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.unwrap_or_default()
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}
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pub fn set(context: &Context, latitude: f64, longitude: f64, accuracy: f64) -> libc::c_int {
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if latitude == 0.0 && longitude == 0.0 {
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return 1;
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}
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let mut continue_streaming = false;
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if let Ok(chats) = context.sql.query_map(
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"SELECT id FROM chats WHERE locations_send_until>?;",
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params![time()],
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|row| row.get::<_, i32>(0),
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|chats| chats.collect::<Result<Vec<_>, _>>().map_err(Into::into),
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) {
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for chat_id in chats {
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if let Err(err) = context.sql.execute(
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"INSERT INTO locations \
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(latitude, longitude, accuracy, timestamp, chat_id, from_id) VALUES (?,?,?,?,?,?);",
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params![
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latitude,
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longitude,
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accuracy,
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time(),
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chat_id,
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1,
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]
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) {
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warn!(context, "failed to store location {:?}", err);
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} else {
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continue_streaming = true;
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}
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}
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if continue_streaming {
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context.call_cb(Event::LocationChanged(Some(1)));
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};
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schedule_MAYBE_SEND_LOCATIONS(context, 0);
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}
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continue_streaming as libc::c_int
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}
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pub fn get_range(
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context: &Context,
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chat_id: u32,
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contact_id: u32,
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timestamp_from: i64,
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mut timestamp_to: i64,
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) -> Vec<Location> {
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if timestamp_to == 0 {
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timestamp_to = time() + 10;
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}
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context
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.sql
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.query_map(
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"SELECT l.id, l.latitude, l.longitude, l.accuracy, l.timestamp, l.independent, \
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m.id, l.from_id, l.chat_id, m.txt \
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FROM locations l LEFT JOIN msgs m ON l.id=m.location_id WHERE (? OR l.chat_id=?) \
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AND (? OR l.from_id=?) \
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AND (l.independent=1 OR (l.timestamp>=? AND l.timestamp<=?)) \
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ORDER BY l.timestamp DESC, l.id DESC, m.id DESC;",
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params![
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if chat_id == 0 { 1 } else { 0 },
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chat_id as i32,
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if contact_id == 0 { 1 } else { 0 },
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contact_id as i32,
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timestamp_from,
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timestamp_to,
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],
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|row| {
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let msg_id = row.get(6)?;
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let txt: String = row.get(9)?;
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let marker = if msg_id != 0 && is_marker(&txt) {
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Some(txt)
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} else {
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None
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};
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let loc = Location {
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location_id: row.get(0)?,
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latitude: row.get(1)?,
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longitude: row.get(2)?,
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accuracy: row.get(3)?,
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timestamp: row.get(4)?,
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independent: row.get(5)?,
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msg_id,
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contact_id: row.get(7)?,
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chat_id: row.get(8)?,
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marker,
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};
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Ok(loc)
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},
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|locations| {
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let mut ret = Vec::new();
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for location in locations {
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ret.push(location?);
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}
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Ok(ret)
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},
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)
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.unwrap_or_default()
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}
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fn is_marker(txt: &str) -> bool {
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txt.len() == 1 && txt.chars().next().unwrap() != ' '
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}
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pub fn delete_all(context: &Context) -> Result<(), Error> {
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sql::execute(context, &context.sql, "DELETE FROM locations;", params![])?;
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context.call_cb(Event::LocationChanged(None));
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Ok(())
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}
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pub fn get_kml(context: &Context, chat_id: u32) -> Result<(String, u32), Error> {
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let now = time();
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let mut location_count = 0;
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let mut ret = String::new();
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let mut last_added_location_id = 0;
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let self_addr = context
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.sql
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.get_config(context, "configured_addr")
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.unwrap_or_default();
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let (locations_send_begin, locations_send_until, locations_last_sent) = context.sql.query_row(
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"SELECT locations_send_begin, locations_send_until, locations_last_sent FROM chats WHERE id=?;",
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params![chat_id as i32], |row| {
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let send_begin: i64 = row.get(0)?;
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let send_until: i64 = row.get(1)?;
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let last_sent: i64 = row.get(2)?;
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Ok((send_begin, send_until, last_sent))
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})?;
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if !(locations_send_begin == 0 || now > locations_send_until) {
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ret += &format!(
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n<Document addr=\"{}\">\n",
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self_addr,
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);
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context.sql.query_map(
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"SELECT id, latitude, longitude, accuracy, timestamp\
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FROM locations WHERE from_id=? \
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AND timestamp>=? \
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AND (timestamp>=? OR timestamp=(SELECT MAX(timestamp) FROM locations WHERE from_id=?)) \
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AND independent=0 \
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GROUP BY timestamp \
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ORDER BY timestamp;",
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params![1, locations_send_begin, locations_last_sent, 1],
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|row| {
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let location_id: i32 = row.get(0)?;
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let latitude: f64 = row.get(1)?;
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let longitude: f64 = row.get(2)?;
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let accuracy: f64 = row.get(3)?;
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let timestamp = get_kml_timestamp(row.get(4)?);
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Ok((location_id, latitude, longitude, accuracy, timestamp))
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},
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|rows| {
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for row in rows {
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let (location_id, latitude, longitude, accuracy, timestamp) = row?;
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ret += &format!(
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"<Placemark><Timestamp><when>{}</when></Timestamp><Point><coordinates accuracy=\"{}\">{},{}</coordinates></Point></Placemark>\n\x00",
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timestamp,
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accuracy,
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longitude,
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latitude
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);
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location_count += 1;
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last_added_location_id = location_id as u32;
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}
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Ok(())
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}
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)?;
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}
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ensure!(location_count > 0, "No locations processed");
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ret += "</Document>\n</kml>";
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Ok((ret, last_added_location_id))
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}
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fn get_kml_timestamp(utc: i64) -> String {
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// Returns a string formatted as YYYY-MM-DDTHH:MM:SSZ. The trailing `Z` indicates UTC.
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chrono::NaiveDateTime::from_timestamp(utc, 0)
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.format("%Y-%m-%dT%H:%M:%SZ")
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.to_string()
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}
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pub fn get_message_kml(timestamp: i64, latitude: f64, longitude: f64) -> String {
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format!(
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
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<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n\
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<Document>\n\
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<Placemark>\
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<Timestamp><when>{}</when></Timestamp>\
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<Point><coordinates>{:.2},{:.2}</coordinates></Point>\
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</Placemark>\n\
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</Document>\n\
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</kml>",
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get_kml_timestamp(timestamp),
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longitude,
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latitude,
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)
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}
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pub fn set_kml_sent_timestamp(
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context: &Context,
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chat_id: u32,
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timestamp: i64,
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) -> Result<(), Error> {
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sql::execute(
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context,
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&context.sql,
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"UPDATE chats SET locations_last_sent=? WHERE id=?;",
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params![timestamp, chat_id as i32],
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)?;
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Ok(())
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}
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pub fn set_msg_location_id(context: &Context, msg_id: u32, location_id: u32) -> Result<(), Error> {
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sql::execute(
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context,
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&context.sql,
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"UPDATE msgs SET location_id=? WHERE id=?;",
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params![location_id, msg_id as i32],
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)?;
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Ok(())
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}
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|
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pub fn save(
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context: &Context,
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chat_id: u32,
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contact_id: u32,
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locations: &[Location],
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independent: i32,
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) -> Result<u32, Error> {
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ensure!(chat_id > 9, "Invalid chat id");
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context.sql.prepare2(
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"SELECT id FROM locations WHERE timestamp=? AND from_id=?",
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"INSERT INTO locations\
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(timestamp, from_id, chat_id, latitude, longitude, accuracy, independent) \
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VALUES (?,?,?,?,?,?,?);",
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|
|mut stmt_test, mut stmt_insert, conn| {
|
|
let mut newest_timestamp = 0;
|
|
let mut newest_location_id = 0;
|
|
|
|
for location in locations {
|
|
let exists = stmt_test.exists(params![location.timestamp, contact_id as i32])?;
|
|
|
|
if 0 != independent || !exists {
|
|
stmt_insert.execute(params![
|
|
location.timestamp,
|
|
contact_id as i32,
|
|
chat_id as i32,
|
|
location.latitude,
|
|
location.longitude,
|
|
location.accuracy,
|
|
independent,
|
|
])?;
|
|
|
|
if location.timestamp > newest_timestamp {
|
|
newest_timestamp = location.timestamp;
|
|
newest_location_id = sql::get_rowid2_with_conn(
|
|
context,
|
|
conn,
|
|
"locations",
|
|
"timestamp",
|
|
location.timestamp,
|
|
"from_id",
|
|
contact_id as i32,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
Ok(newest_location_id)
|
|
},
|
|
)
|
|
}
|
|
|
|
#[allow(non_snake_case)]
|
|
pub fn job_do_DC_JOB_MAYBE_SEND_LOCATIONS(context: &Context, _job: &Job) {
|
|
let now = time();
|
|
let mut continue_streaming: libc::c_int = 1;
|
|
info!(
|
|
context,
|
|
" ----------------- MAYBE_SEND_LOCATIONS -------------- ",
|
|
);
|
|
|
|
if let Ok(rows) = context.sql.query_map(
|
|
"SELECT id, locations_send_begin, locations_last_sent \
|
|
FROM chats \
|
|
WHERE locations_send_until>?;",
|
|
params![now],
|
|
|row| {
|
|
let chat_id: i32 = row.get(0)?;
|
|
let locations_send_begin: i64 = row.get(1)?;
|
|
let locations_last_sent: i64 = row.get(2)?;
|
|
continue_streaming = 1;
|
|
|
|
// be a bit tolerant as the timer may not align exactly with time(NULL)
|
|
if now - locations_last_sent < (60 - 3) {
|
|
Ok(None)
|
|
} else {
|
|
Ok(Some((chat_id, locations_send_begin, locations_last_sent)))
|
|
}
|
|
},
|
|
|rows| {
|
|
rows.filter_map(|v| v.transpose())
|
|
.collect::<Result<Vec<_>, _>>()
|
|
.map_err(Into::into)
|
|
},
|
|
) {
|
|
let msgs = context
|
|
.sql
|
|
.prepare(
|
|
"SELECT id \
|
|
FROM locations \
|
|
WHERE from_id=? \
|
|
AND timestamp>=? \
|
|
AND timestamp>? \
|
|
AND independent=0 \
|
|
ORDER BY timestamp;",
|
|
|mut stmt_locations, _| {
|
|
let msgs = rows
|
|
.into_iter()
|
|
.filter_map(|(chat_id, locations_send_begin, locations_last_sent)| {
|
|
if !stmt_locations
|
|
.exists(params![1, locations_send_begin, locations_last_sent,])
|
|
.unwrap_or_default()
|
|
{
|
|
// if there is no new location, there's nothing to send.
|
|
// however, maybe we want to bypass this test eg. 15 minutes
|
|
None
|
|
} else {
|
|
// pending locations are attached automatically to every message,
|
|
// so also to this empty text message.
|
|
// DC_CMD_LOCATION is only needed to create a nicer subject.
|
|
//
|
|
// for optimisation and to avoid flooding the sending queue,
|
|
// we could sending these messages only if we're really online.
|
|
// the easiest way to determine this, is to check for an empty message queue.
|
|
// (might not be 100%, however, as positions are sent combined later
|
|
// and dc_set_location() is typically called periodically, this is ok)
|
|
let mut msg = dc_msg_new(Viewtype::Text);
|
|
msg.hidden = true;
|
|
msg.param.set_int(Param::Cmd, 9);
|
|
Some((chat_id, msg))
|
|
}
|
|
})
|
|
.collect::<Vec<_>>();
|
|
Ok(msgs)
|
|
},
|
|
)
|
|
.unwrap_or_default(); // TODO: Better error handling
|
|
|
|
for (chat_id, mut msg) in msgs.into_iter() {
|
|
// TODO: better error handling
|
|
chat::send_msg(context, chat_id as u32, &mut msg).unwrap();
|
|
}
|
|
}
|
|
if 0 != continue_streaming {
|
|
schedule_MAYBE_SEND_LOCATIONS(context, 0x1);
|
|
}
|
|
}
|
|
|
|
#[allow(non_snake_case)]
|
|
pub fn job_do_DC_JOB_MAYBE_SEND_LOC_ENDED(context: &Context, job: &mut Job) {
|
|
// this function is called when location-streaming _might_ have ended for a chat.
|
|
// the function checks, if location-streaming is really ended;
|
|
// if so, a device-message is added if not yet done.
|
|
|
|
let chat_id = job.foreign_id;
|
|
|
|
if let Ok((send_begin, send_until)) = context.sql.query_row(
|
|
"SELECT locations_send_begin, locations_send_until FROM chats WHERE id=?",
|
|
params![chat_id as i32],
|
|
|row| Ok((row.get::<_, i64>(0)?, row.get::<_, i64>(1)?)),
|
|
) {
|
|
if !(send_begin != 0 && time() <= send_until) {
|
|
// still streaming -
|
|
// may happen as several calls to dc_send_locations_to_chat()
|
|
// do not un-schedule pending DC_MAYBE_SEND_LOC_ENDED jobs
|
|
if !(send_begin == 0 && send_until == 0) {
|
|
// not streaming, device-message already sent
|
|
if context.sql.execute(
|
|
"UPDATE chats SET locations_send_begin=0, locations_send_until=0 WHERE id=?",
|
|
params![chat_id as i32],
|
|
).is_ok() {
|
|
let stock_str = context.stock_system_msg(StockMessage::MsgLocationDisabled, "", "", 0);
|
|
chat::add_device_msg(context, chat_id, stock_str);
|
|
context.call_cb(Event::ChatModified(chat_id));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::test_utils::dummy_context;
|
|
|
|
#[test]
|
|
fn test_kml_parse() {
|
|
let context = dummy_context();
|
|
|
|
let xml =
|
|
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n<Document addr=\"user@example.org\">\n<Placemark><Timestamp><when>2019-03-06T21:09:57Z</when></Timestamp><Point><coordinates accuracy=\"32.000000\">9.423110,53.790302</coordinates></Point></Placemark>\n<PlaceMARK>\n<Timestamp><WHEN > \n\t2018-12-13T22:11:12Z\t</WHEN></Timestamp><Point><coordinates aCCuracy=\"2.500000\"> 19.423110 \t , \n 63.790302\n </coordinates></Point></PlaceMARK>\n</Document>\n</kml>";
|
|
|
|
let kml = Kml::parse(&context.ctx, &xml).expect("parsing failed");
|
|
|
|
assert!(kml.addr.is_some());
|
|
assert_eq!(kml.addr.as_ref().unwrap(), "user@example.org",);
|
|
|
|
let locations_ref = &kml.locations;
|
|
assert_eq!(locations_ref.len(), 2);
|
|
|
|
assert!(locations_ref[0].latitude > 53.6f64);
|
|
assert!(locations_ref[0].latitude < 53.8f64);
|
|
assert!(locations_ref[0].longitude > 9.3f64);
|
|
assert!(locations_ref[0].longitude < 9.5f64);
|
|
assert!(locations_ref[0].accuracy > 31.9f64);
|
|
assert!(locations_ref[0].accuracy < 32.1f64);
|
|
assert_eq!(locations_ref[0].timestamp, 1551906597);
|
|
|
|
assert!(locations_ref[1].latitude > 63.6f64);
|
|
assert!(locations_ref[1].latitude < 63.8f64);
|
|
assert!(locations_ref[1].longitude > 19.3f64);
|
|
assert!(locations_ref[1].longitude < 19.5f64);
|
|
assert!(locations_ref[1].accuracy > 2.4f64);
|
|
assert!(locations_ref[1].accuracy < 2.6f64);
|
|
assert_eq!(locations_ref[1].timestamp, 1544739072);
|
|
}
|
|
}
|