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Implement safe version of `get_parent_mime_headers' function

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Dmitry Bogatov
2019-09-06 22:36:34 +00:00
parent c0e7293360
commit 3a57ba1142
1 changed files with 16 additions and 0 deletions
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16
src/chat.rs
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@@ -218,6 +218,22 @@ impl<'a> Chat<'a> {
Ok(())
}
pub fn get_parent_mime_headers_safe(&self) -> Option<(String, String, String)> {
let collect = |row: &rusqlite::Row| Ok((row.get(0)?, row.get(1)?, row.get(2)?));
let params = params![self.id as i32, DC_CONTACT_ID_SELF as i32];
let sql = &self.context.sql;
let main_query = "SELECT rfc724_mid, mime_in_reply_to, mime_references \
FROM msgs WHERE chat_id=?1 AND timestamp=(SELECT max(timestamp) \
FROM msgs WHERE chat_id=?1 AND from_id!=?2);";
let fallback_query = "SELECT rfc724_mid, mime_in_reply_to, mime_references \
FROM msgs WHERE chat_id=?1 AND timestamp=(SELECT min(timestamp) \
FROM msgs WHERE chat_id=?1 AND from_id==?2);";
sql.query_row(main_query, params, collect)
.or_else(|_| sql.query_row(fallback_query, params, collect))
.ok()
}
pub unsafe fn get_profile_image(&self) -> Option<String> {
if let Some(image_rel) = self.param.get(Param::ProfileImage) {
if !image_rel.is_empty() {