52 lines
1.6 KiB
Rust
52 lines
1.6 KiB
Rust
use diesel::prelude::*;
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use crate::models::DBVideo;
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pub fn get_video(conn: &mut SqliteConnection, video_id: String) -> Result<Option<String>, diesel::result::Error> {
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use crate::schema::videos::dsl::*;
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let result = videos
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.filter(id.eq(video_id))
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.first::<DBVideo>(conn)
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.optional()?;
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match result{
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Some(video) => Ok(Some(video.url)),
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None => Ok(None),
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}
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}
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pub fn insert_video(conn: &mut SqliteConnection, new_id: &str, new_url: &str) -> Result<usize, diesel::result::Error> {
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use crate::schema::videos::dsl::*;
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diesel::insert_into(videos).values(DBVideo{
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id: new_id.to_string(),
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url: new_url.to_string(),
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}).execute(conn)
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}
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pub fn delete_video(conn: &mut SqliteConnection, video_id: String) -> Result<usize, diesel::result::Error> {
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use crate::schema::videos::dsl::*;
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diesel::delete(videos.filter(id.eq(video_id))).execute(conn)
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}
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pub fn has_table(conn: &mut SqliteConnection, table_name: &str) -> Result<bool, diesel::result::Error> {
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use diesel::sql_query;
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use diesel::sql_types::Text;
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#[derive(QueryableByName)]
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struct TableName {
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#[sql_type = "Text"]
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name: String,
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}
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let query = "SELECT name FROM sqlite_master WHERE type='table' AND name = ?1";
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let result = sql_query(query)
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.bind::<Text, _>(table_name)
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.load::<TableName>(conn)?;
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Ok(!result.is_empty())
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}
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pub fn create_table(conn: &mut SqliteConnection, create_sql: &str) -> Result<(), diesel::result::Error> {
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use diesel::sql_query;
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sql_query(create_sql).execute(conn)?;
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Ok(())
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}
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