fix: value_hex tag query

Signed-off-by: Greg Heartsfield <scsibug@imap.cc>

src/repo/postgres.rs

@@ -60,7 +60,8 @@ async fn cleanup_expired(conn: PostgresPool, frequency: Duration) -> Result<()>
                         }
                     }
                 }
-            };
+            }
+            ;
         }
     });
     Ok(())
@@ -880,17 +881,32 @@ fn query_from_filter(f: &ReqFilter) -> Option<QueryBuilder<Postgres>> {
             for (key, val) in map.iter() {
                 query.push("e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and (t.\"name\" = ")
                     .push_bind(key.to_string())
-                    .push(" AND (value in (");
+                    .push(" AND (");
 
+                let has_plain_values = val.iter().any(|v| !is_lower_hex(v));
+                let has_hex_values = val.iter().any(|v| v.len() % 2 == 0 && is_lower_hex(v));
+                if has_plain_values {
+                    query.push("value in (");
                     // plain value match first
                     let mut tag_query = query.separated(", ");
-                for v in val.iter() {
-                    if (v.len() % 2 != 0) && !is_lower_hex(v) {
+                    for v in val.iter()
+                        .filter(|v| !is_lower_hex(v)) {
                         tag_query.push_bind(v.as_bytes());
-                    } else {
+                    }
+                }
+                if has_plain_values && has_hex_values {
+                    query.push(") OR ");
+                }
+                if has_hex_values {
+                    query.push("value_hex in (");
+                    // plain value match first
+                    let mut tag_query = query.separated(", ");
+                    for v in val.iter()
+                        .filter(|v| v.len() % 2 == 0 && is_lower_hex(v)) {
                         tag_query.push_bind(hex::decode(v).ok());
                     }
                 }
+
                 query.push("))))");
             }
         }
@@ -925,10 +941,7 @@ fn query_from_filter(f: &ReqFilter) -> Option<QueryBuilder<Postgres>> {
         query.push("e.hidden != 1::bit(1)");
     }
     // never display expired events
-    query
-        .push(" AND (e.expires_at IS NULL OR e.expires_at > ")
-        .push_bind(Utc.timestamp_opt(utils::unix_time() as i64, 0).unwrap())
-        .push(")");
+    query.push(" AND (e.expires_at IS NULL OR e.expires_at > now())");
 
     // Apply per-filter limit to this query.
     // The use of a LIMIT implies a DESC order, to capture only the most recent events.
@@ -963,3 +976,67 @@ impl FromRow<'_, PgRow> for VerificationRecord {
         })
     }
 }
+
+
+#[cfg(test)]
+mod tests {
+    use std::collections::{HashMap, HashSet};
+    use super::*;
+
+    #[test]
+    fn test_query_gen_tag_value_hex() {
+        let filter = ReqFilter {
+            ids: None,
+            kinds: Some(vec![1000]),
+            since: None,
+            until: None,
+            authors: Some(vec!["84de35e2584d2b144aae823c9ed0b0f3deda09648530b93d1a2a146d1dea9864".to_owned()]),
+            limit: None,
+            tags: Some(HashMap::from([
+                ('p', HashSet::from(["63fe6318dc58583cfe16810f86dd09e18bfd76aabc24a0081ce2856f330504ed".to_owned()]))
+            ])),
+            force_no_match: false,
+        };
+
+        let q = query_from_filter(&filter).unwrap();
+        assert_eq!(q.sql(), "SELECT e.\"content\", e.created_at FROM \"event\" e WHERE (e.pub_key in ($1) OR e.delegated_by in ($2)) AND e.kind in ($3) AND e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and (t.\"name\" = $4 AND (value_hex in ($5)))) AND e.hidden != 1::bit(1) AND (e.expires_at IS NULL OR e.expires_at > now()) ORDER BY e.created_at ASC LIMIT 1000")
+    }
+
+    #[test]
+    fn test_query_gen_tag_value() {
+        let filter = ReqFilter {
+            ids: None,
+            kinds: Some(vec![1000]),
+            since: None,
+            until: None,
+            authors: Some(vec!["84de35e2584d2b144aae823c9ed0b0f3deda09648530b93d1a2a146d1dea9864".to_owned()]),
+            limit: None,
+            tags: Some(HashMap::from([
+                ('d', HashSet::from(["test".to_owned()]))
+            ])),
+            force_no_match: false,
+        };
+
+        let q = query_from_filter(&filter).unwrap();
+        assert_eq!(q.sql(), "SELECT e.\"content\", e.created_at FROM \"event\" e WHERE (e.pub_key in ($1) OR e.delegated_by in ($2)) AND e.kind in ($3) AND e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and (t.\"name\" = $4 AND (value in ($5)))) AND e.hidden != 1::bit(1) AND (e.expires_at IS NULL OR e.expires_at > now()) ORDER BY e.created_at ASC LIMIT 1000")
+    }
+
+    #[test]
+    fn test_query_gen_tag_value_and_value_hex() {
+        let filter = ReqFilter {
+            ids: None,
+            kinds: Some(vec![1000]),
+            since: None,
+            until: None,
+            authors: Some(vec!["84de35e2584d2b144aae823c9ed0b0f3deda09648530b93d1a2a146d1dea9864".to_owned()]),
+            limit: None,
+            tags: Some(HashMap::from([
+                ('d', HashSet::from(["test".to_owned(), "63fe6318dc58583cfe16810f86dd09e18bfd76aabc24a0081ce2856f330504ed".to_owned()]))
+            ])),
+            force_no_match: false,
+        };
+
+        let q = query_from_filter(&filter).unwrap();
+        assert_eq!(q.sql(), "SELECT e.\"content\", e.created_at FROM \"event\" e WHERE (e.pub_key in ($1) OR e.delegated_by in ($2)) AND e.kind in ($3) AND e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and (t.\"name\" = $4 AND (value in ($5) OR value_hex in ($6)))) AND e.hidden != 1::bit(1) AND (e.expires_at IS NULL OR e.expires_at > now()) ORDER BY e.created_at ASC LIMIT 1000")
+    }
+}