Add body contains filter to 'Tag similar messages' modal

The modal now supports three filters:
- From (exact, read-only)
- Subject contains (optional)
- Body contains (optional)

Both subject and body use search_text~= substring matching. When
both are provided, they narrow results further (AND).

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: javimosch

bulk.go

@@ -18,9 +18,10 @@ type bulkReq struct {
 	Q        string `json:"q"`
 	AllPages bool   `json:"all_pages"`
 	// Similar-message filter: tag all from same sender, optionally with
-	// subject containing a substring. Used by the "tag similar" modal.
-	FromAddr      string `json:"from_addr"`
+	// subject and/or body containing a substring. Used by the "tag similar" modal.
+	FromAddr        string `json:"from_addr"`
 	SubjectContains string `json:"subject_contains"`
+	BodyContains    string `json:"body_contains"`
 }
 
 func handleBulkAPI(w http.ResponseWriter, r *http.Request) {
@@ -46,7 +47,7 @@ func handleBulkAPI(w http.ResponseWriter, r *http.Request) {
 		var err error
 		if req.FromAddr != "" {
 			has, missing := viewLinks(req.View, req.TagView)
-			ids, err = collectIDsFiltered(p, has, missing, "", req.FromAddr, req.SubjectContains, mbID, isAdmin)
+			ids, err = collectIDsFiltered(p, has, missing, "", req.FromAddr, req.SubjectContains, req.BodyContains, mbID, isAdmin)
 		} else {
 			ids, err = collectIDsLinked(p, req.View, req.TagView, req.Q, mbID, isAdmin)
 		}
@@ -385,14 +386,15 @@ func filterIDsOwnedByMailbox(p *Poche, ids []string, mbID string) []string {
 
 func collectIDsLinked(p *Poche, view, tagView, q string, mbID string, isAdmin bool) ([]string, error) {
 	has, missing := viewLinks(view, tagView)
-	return collectIDsFiltered(p, has, missing, q, "", "", mbID, isAdmin)
+	return collectIDsFiltered(p, has, missing, q, "", "", "", mbID, isAdmin)
 }
 
 // collectIDsFiltered is the generalized collector used by both the
 // all_pages bulk path (from view/tagView/q) and the "tag similar" path
-// (from from_addr + subject_contains). The where clause is built from
-// search text, from_addr, and subject_contains, then mailbox-scoped.
-func collectIDsFiltered(p *Poche, has, missing []string, q, fromAddr, subjectContains, mbID string, isAdmin bool) ([]string, error) {
+// (from from_addr + subject_contains + body_contains). The where clause
+// is built from search text, from_addr, subject_contains, and body_contains,
+// then mailbox-scoped.
+func collectIDsFiltered(p *Poche, has, missing []string, q, fromAddr, subjectContains, bodyContains, mbID string, isAdmin bool) ([]string, error) {
 	var clauses []string
 	if needle := sanitizeQ(q); needle != "" {
 		clauses = append(clauses, "search_text~="+needle)
@@ -403,6 +405,9 @@ func collectIDsFiltered(p *Poche, has, missing []string, q, fromAddr, subjectCon
 	if subjectContains != "" {
 		clauses = append(clauses, "search_text~="+strings.ToLower(subjectContains))
 	}
+	if bodyContains != "" {
+		clauses = append(clauses, "search_text~="+strings.ToLower(bodyContains))
+	}
 	if !isAdmin && mbID != "" {
 		clauses = append(clauses, "mailbox_id="+mbID)
 	}

ui/js/components.jsx

@@ -606,21 +606,23 @@ function TagRow({ name, count, unreadCount, active, navBtn, label, onOpen, onRen
 function TagSimilarModal({ open, onClose, fromAddr, tagName, token, onTagged }) {
   const { t } = useI18n();
   const [subjectFilter, setSubjectFilter] = React.useState("");
+  const [bodyFilter, setBodyFilter] = React.useState("");
   const [matchCount, setMatchCount] = React.useState(null);
   const [busy, setBusy] = React.useState(false);
 
-  // Fetch count of messages from same sender, not already tagged, with optional subject filter
+  // Fetch count of messages from same sender, not already tagged, with optional subject/body filter
   React.useEffect(() => {
     if (!open || !token || !fromAddr) return;
     const where = ["from_addr=" + fromAddr];
     if (subjectFilter.trim()) where.push("search_text~=" + subjectFilter.trim().toLowerCase());
+    if (bodyFilter.trim()) where.push("search_text~=" + bodyFilter.trim().toLowerCase());
     const params = new URLSearchParams();
     params.set("where", where.join(","));
     params.append("missing_link", "message_tags.message_id:tag=" + tagName);
     apiFetch(token, "/api/messages/count?" + params.toString())
       .then((d) => setMatchCount(d.count || 0))
       .catch(() => setMatchCount(0));
-  }, [open, token, fromAddr, tagName, subjectFilter]);
+  }, [open, token, fromAddr, tagName, subjectFilter, bodyFilter]);
 
   if (!open) return null;
 
@@ -631,6 +633,7 @@ function TagSimilarModal({ open, onClose, fromAddr, tagName, token, onTagged })
       tag: tagName,
       from_addr: fromAddr,
       subject_contains: subjectFilter.trim() || undefined,
+      body_contains: bodyFilter.trim() || undefined,
     })
       .then(() => {
         onTagged();
@@ -665,6 +668,15 @@ function TagSimilarModal({ open, onClose, fromAddr, tagName, token, onTagged })
               className="w-full bg-paper border border-paper-line rounded px-2 py-1.5 text-sm text-ink focus:outline-none focus:border-accent"
             />
           </div>
+          <div>
+            <label className="text-xs text-ink-dim block mb-1">{t("tag_similar_body")}</label>
+            <input
+              value={bodyFilter}
+              onChange={(e) => setBodyFilter(e.target.value)}
+              placeholder=""
+              className="w-full bg-paper border border-paper-line rounded px-2 py-1.5 text-sm text-ink focus:outline-none focus:border-accent"
+            />
+          </div>
           <div className="text-sm text-ink-muted">
             {matchCount === null ? "…" : matchCount === 0
               ? t("tag_similar_no_match")

ui/js/i18n.jsx

@@ -94,6 +94,7 @@ const I18N = {
     tag_similar_title: "Tag similar messages",
     tag_similar_from: "From",
     tag_similar_subject: "Subject contains (optional)",
+    tag_similar_body: "Body contains (optional)",
     tag_similar_count: (n) => n + " matching message" + (n !== 1 ? "s" : ""),
     tag_similar_apply: (n) => "Tag " + n + " message" + (n !== 1 ? "s" : ""),
     tag_similar_no_match: "No matching messages",
@@ -264,6 +265,7 @@ const I18N = {
     tag_similar_title: "Étiqueter les messages similaires",
     tag_similar_from: "De",
     tag_similar_subject: "Le sujet contient (optionnel)",
+    tag_similar_body: "Le corps contient (optionnel)",
     tag_similar_count: (n) => n + " message" + (n !== 1 ? "s" : "") + " correspondant" + (n !== 1 ? "s" : ""),
     tag_similar_apply: (n) => "Étiqueter " + n + " message" + (n !== 1 ? "s" : ""),
     tag_similar_no_match: "Aucun message correspondant",