snapshot

src/server/snippets.ts

@@ -15,6 +15,38 @@ function escapeLike(raw: string): string {
   return raw.replaceAll("\\", "\\\\").replaceAll("%", "\\%").replaceAll("_", "\\_");
 }
 
+/** `tag:x`, `title:y`, `content:z` (case-insensitive); remainder = default (title OR tag names, LIKE). All parts AND. */
+function parseSearchQuery(raw: string): {
+  defaultText: string | null;
+  tagTerms: string[];
+  titleTerms: string[];
+  contentTerms: string[];
+} {
+  const tagTerms: string[] = [];
+  const titleTerms: string[] = [];
+  const contentTerms: string[] = [];
+  const re = /(?:^|\s)(tag|title|content):(\S+)/gi;
+  const spans: [number, number][] = [];
+  let m: RegExpExecArray | null;
+  while ((m = re.exec(raw)) !== null) {
+    const kind = m[1].toLowerCase();
+    const val = m[2];
+    if (!val) continue;
+    const escaped = escapeLike(val);
+    if (kind === "tag") tagTerms.push(escaped);
+    else if (kind === "title") titleTerms.push(escaped);
+    else if (kind === "content") contentTerms.push(escaped);
+    spans.push([m.index, m.index + m[0].length]);
+  }
+  let rest = raw;
+  for (const [start, end] of [...spans].sort((a, b) => b[0] - a[0])) {
+    rest = `${rest.slice(0, start)} ${rest.slice(end)}`;
+  }
+  const defaultTrim = rest.replace(/\s+/g, " ").trim();
+  const defaultText = defaultTrim === "" ? null : escapeLike(defaultTrim);
+  return { defaultText, tagTerms, titleTerms, contentTerms };
+}
+
 function nowIso(): string {
   return new Date().toISOString();
 }
@@ -101,22 +133,59 @@ export function listSnippets(q: string | null, sort: string | null): SnippetRow[
       )
       .all() as typeof rows;
   } else {
-    const term = escapeLike(trimmed);
-    rows = database
-      .query(
-        `SELECT s.id, s.title, s.body, s.sort_order, s.created_at, s.updated_at
-         FROM snippets s
-         WHERE s.title LIKE '%' || ?1 || '%' ESCAPE '\\'
-            OR s.body LIKE '%' || ?1 || '%' ESCAPE '\\'
-            OR EXISTS (
-              SELECT 1 FROM snippet_tags st
-              JOIN tags t ON t.id = st.tag_id
-              WHERE st.snippet_id = s.id
-                AND t.name LIKE '%' || ?1 || '%' ESCAPE '\\'
-            )
-         ${order}`,
-      )
-      .all(term) as typeof rows;
+    const parsed = parseSearchQuery(trimmed);
+    const conditions: string[] = [];
+    const params: string[] = [];
+
+    if (parsed.defaultText !== null) {
+      conditions.push(`(
+        (s.title IS NOT NULL AND s.title LIKE '%' || ? || '%' ESCAPE '\\')
+        OR EXISTS (
+          SELECT 1 FROM snippet_tags st
+          JOIN tags t ON t.id = st.tag_id
+          WHERE st.snippet_id = s.id
+            AND t.name LIKE '%' || ? || '%' ESCAPE '\\'
+        )
+      )`);
+      params.push(parsed.defaultText, parsed.defaultText);
+    }
+    for (const term of parsed.tagTerms) {
+      conditions.push(`EXISTS (
+        SELECT 1 FROM snippet_tags st
+        JOIN tags t ON t.id = st.tag_id
+        WHERE st.snippet_id = s.id
+          AND t.name LIKE '%' || ? || '%' ESCAPE '\\'
+      )`);
+      params.push(term);
+    }
+    for (const term of parsed.titleTerms) {
+      conditions.push(`(s.title IS NOT NULL AND s.title LIKE '%' || ? || '%' ESCAPE '\\')`);
+      params.push(term);
+    }
+    for (const term of parsed.contentTerms) {
+      conditions.push(`(s.body LIKE '%' || ? || '%' ESCAPE '\\')`);
+      params.push(term);
+    }
+
+    if (conditions.length === 0) {
+      rows = database
+        .query(
+          `SELECT s.id, s.title, s.body, s.sort_order, s.created_at, s.updated_at
+           FROM snippets s
+           ${order}`,
+        )
+        .all() as typeof rows;
+    } else {
+      const where = conditions.join(" AND ");
+      rows = database
+        .query(
+          `SELECT s.id, s.title, s.body, s.sort_order, s.created_at, s.updated_at
+           FROM snippets s
+           WHERE ${where}
+           ${order}`,
+        )
+        .all(...params) as typeof rows;
+    }
   }
 
   const ids = rows.map(r => r.id);
@@ -174,7 +243,12 @@ export function createSnippet(input: {
 }): SnippetRow {
   const database = getDb();
   const t = nowIso();
-  const title = input.title === undefined || input.title === "" ? null : String(input.title);
+  const title =
+    input.title === undefined || input.title === null
+      ? null
+      : String(input.title).trim() === ""
+        ? null
+        : String(input.title).trim();
   const body = input.body ?? "";
   const sortOrder = typeof input.sort_order === "number" ? input.sort_order : Date.now();
 
@@ -210,7 +284,11 @@ export function updateSnippet(
   };
 
   const title =
-    input.title === undefined ? current.title : input.title === "" || input.title === null ? null : String(input.title);
+    input.title === undefined
+      ? current.title
+      : input.title === null || String(input.title).trim() === ""
+        ? null
+        : String(input.title).trim();
   const body = input.body === undefined ? current.body : String(input.body);
   const sort_order = input.sort_order === undefined ? current.sort_order : input.sort_order;
   const t = nowIso();