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167 lines
5.5 KiB
167 lines
5.5 KiB
use std::sync::{Arc, Mutex}; |
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use serde_json::{Result, Value}; |
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use serde::{Deserialize, Serialize}; |
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use rusqlite::{params, Connection}; |
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use super::analytic_service::analytic_unit::{types::{AnalyticUnitConfig, self}, threshold_analytic_unit::ThresholdAnalyticUnit, pattern_analytic_unit::PatternAnalyticUnit, anomaly_analytic_unit::AnomalyAnalyticUnit}; |
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#[derive(Clone)] |
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pub struct AnalyticUnitService { |
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connection: Arc<Mutex<Connection>> |
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} |
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impl AnalyticUnitService { |
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pub fn new() -> anyhow::Result<AnalyticUnitService> { |
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// TODO: remove repetitoin with segment_service |
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std::fs::create_dir_all("./data").unwrap(); |
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let conn = Connection::open("./data/analytic_units.db")?; |
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// TODO: add learning results field |
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conn.execute( |
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"CREATE TABLE IF NOT EXISTS analytic_unit ( |
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id TEXT PRIMARY KEY, |
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last_detection INTEGER, |
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active BOOLEAN, |
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type INTEGER, |
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config TEXT |
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)", |
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[], |
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)?; |
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Ok(AnalyticUnitService { |
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connection: Arc::new(Mutex::new(conn)), |
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}) |
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} |
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// TODO: optional id |
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pub fn resolve_au(&self, cfg: &AnalyticUnitConfig) -> Box<dyn types::AnalyticUnit + Send + Sync> { |
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match cfg { |
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AnalyticUnitConfig::Threshold(c) => Box::new(ThresholdAnalyticUnit::new("1".to_string(), c.clone())), |
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AnalyticUnitConfig::Pattern(c) => Box::new(PatternAnalyticUnit::new("2".to_string(), c.clone())), |
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AnalyticUnitConfig::Anomaly(c) => Box::new(AnomalyAnalyticUnit::new("3".to_string(), c.clone())), |
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} |
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} |
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// TODO: get id of analytic_unit which be used also as it's type |
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pub fn resolve(&self, cfg: &AnalyticUnitConfig) -> anyhow::Result<Box<dyn types::AnalyticUnit + Send + Sync>> { |
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let au = self.resolve_au(cfg); |
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let id = au.as_ref().get_id(); |
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let conn = self.connection.lock().unwrap(); |
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let mut stmt = conn.prepare( |
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"SELECT id from analytic_unit WHERE id = ?1", |
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)?; |
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let res = stmt.exists(params![id])?; |
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if res == false { |
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let cfg_json = serde_json::to_string(&cfg)?; |
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conn.execute( |
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"INSERT INTO analytic_unit (id, type, config) VALUES (?1, ?1, ?2)", |
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params![id, cfg_json] |
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)?; |
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} |
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conn.execute( |
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"UPDATE analytic_unit set active = FALSE where active = TRUE", |
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params![] |
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)?; |
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conn.execute( |
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"UPDATE analytic_unit set active = TRUE where id = ?1", |
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params![id] |
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)?; |
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return Ok(au); |
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} |
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pub fn set_last_detection(&self, id: String, last_detection: u64) -> anyhow::Result<()> { |
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let conn = self.connection.lock().unwrap(); |
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conn.execute( |
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"UPDATE analytic_unit SET last_detection = ?1 WHERE id = ?2", |
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params![last_detection, id] |
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)?; |
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Ok(()) |
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} |
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pub fn get_active(&self) -> anyhow::Result<Box<dyn types::AnalyticUnit + Send + Sync>> { |
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// TODO: return default when there is no active |
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let conn = self.connection.lock().unwrap(); |
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let mut stmt = conn.prepare( |
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"SELECT id, type, config from analytic_unit WHERE active = TRUE" |
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)?; |
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let au = stmt.query_row([], |row| { |
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let c: String = row.get(2)?; |
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let cfg: AnalyticUnitConfig = serde_json::from_str(&c).unwrap(); |
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Ok(self.resolve(&cfg)) |
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})??; |
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return Ok(au); |
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} |
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pub fn get_active_config(&self) -> anyhow::Result<AnalyticUnitConfig> { |
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let exists = { |
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let conn = self.connection.lock().unwrap(); |
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let mut stmt = conn.prepare( |
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"SELECT config from analytic_unit WHERE active = TRUE" |
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)?; |
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stmt.exists([])? |
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}; |
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if exists == false { |
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let c = AnalyticUnitConfig::Pattern(Default::default()); |
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self.resolve(&c)?; |
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return Ok(c); |
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} else { |
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let conn = self.connection.lock().unwrap(); |
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let mut stmt = conn.prepare( |
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"SELECT config from analytic_unit WHERE active = TRUE" |
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)?; |
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let acfg = stmt.query_row([], |row| { |
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let c: String = row.get(0)?; |
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let cfg = serde_json::from_str(&c).unwrap(); |
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Ok(cfg) |
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})?; |
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return Ok(acfg); |
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} |
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} |
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pub fn get_config_by_id(&self) { |
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// TODO: implement |
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} |
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pub fn get_config_id(&self, cfg: &AnalyticUnitConfig) -> String { |
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match cfg { |
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AnalyticUnitConfig::Threshold(_) => "1".to_string(), |
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AnalyticUnitConfig::Pattern(_) => "2".to_string(), |
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AnalyticUnitConfig::Anomaly(_) => "3".to_string(), |
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} |
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} |
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pub fn update_config_by_id(&self, id: &String, cfg: &AnalyticUnitConfig) -> anyhow::Result<()> { |
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let conn = self.connection.lock().unwrap(); |
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let cfg_json = serde_json::to_string(&cfg)?; |
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conn.execute( |
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"UPDATE analytic_unit SET config = ?1 WHERE id = ?2", |
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params![cfg_json, id] |
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)?; |
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return Ok(()); |
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} |
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pub fn update_active_config(&self, cfg: &AnalyticUnitConfig) -> anyhow::Result<()> { |
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let conn = self.connection.lock().unwrap(); |
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let cfg_json = serde_json::to_string(&cfg)?; |
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conn.execute( |
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"UPDATE analytic_unit SET config = ?1 WHERE active = TRUE", |
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params![cfg_json] |
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)?; |
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return Ok(()); |
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} |
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}
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