tagliatelle

commit 2bc7f5208cd19650e67c6fb0a35e4819c55564aa
parent a785c24bfe289a232ff0066c8362f044506285b2
Author: breadcat <breadcat@users.noreply.github.com>
Date:   Sun, 19 Apr 2026 14:07:23 +0100

Support !123 for copying all tags from file index 123

Diffstat:
M
include-viewer.go
 | 
65
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------

1 file changed, 57 insertions(+), 8 deletions(-)
diff --git a/include-viewer.go b/include-viewer.go
@@ -8,6 +8,7 @@ import (
 	"net"
 	"net/http"
 	"net/url"
+	"strconv"
 	"strings"
 )
 
@@ -66,6 +67,33 @@ func getPreviousFileTags(excludeFileID int) ([]struct{ cat, val string }, error)
 	return tags, nil
 }
 
+func getFileTagsByID(fileID int) ([]struct{ cat, val string }, error) {
+	rows, err := db.Query(`
+		SELECT c.name, t.value
+		FROM tags t
+		JOIN categories c ON c.id = t.category_id
+		JOIN file_tags ft ON ft.tag_id = t.id
+		WHERE ft.file_id = ?
+	`, fileID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var tags []struct{ cat, val string }
+	for rows.Next() {
+		var cat, val string
+		if err := rows.Scan(&cat, &val); err != nil {
+			return nil, err
+		}
+		tags = append(tags, struct{ cat, val string }{cat, val})
+	}
+	if len(tags) == 0 {
+		return nil, fmt.Errorf("no tags found on file id %d", fileID)
+	}
+	return tags, nil
+}
+
 func fileHandler(w http.ResponseWriter, r *http.Request) {
 	idStr := strings.TrimPrefix(r.URL.Path, "/file/")
 	if strings.Contains(idStr, "/") {
@@ -116,26 +144,47 @@ func fileHandler(w http.ResponseWriter, r *http.Request) {
 			http.Redirect(w, r, "/file/"+idStr, http.StatusSeeOther)
 			return
 		}
+
 		cat := strings.TrimSpace(r.FormValue("category"))
 		val := strings.TrimSpace(r.FormValue("value"))
 
-		if cat == "!" {
-			prevTags, err := getPreviousFileTags(f.ID)
-			if err != nil {
-				http.Redirect(w, r, "/file/"+idStr+"?error="+url.QueryEscape("Could not copy tags from previous file: "+err.Error()), http.StatusSeeOther)
-				return
+		if cat == "!" || (strings.HasPrefix(cat, "!") && len(cat) > 1) {
+			var sourceTags []struct{ cat, val string }
+			var sourceDesc string
+
+			if cat == "!" {
+				var err error
+				sourceTags, err = getPreviousFileTags(f.ID)
+				if err != nil {
+					http.Redirect(w, r, "/file/"+idStr+"?error="+url.QueryEscape("Could not copy tags from previous file: "+err.Error()), http.StatusSeeOther)
+					return
+				}
+				sourceDesc = "previous file"
+			} else {
+				sourceID, err := strconv.Atoi(cat[1:])
+				if err != nil {
+					http.Redirect(w, r, "/file/"+idStr+"?error="+url.QueryEscape("Invalid file ID in category: "+cat), http.StatusSeeOther)
+					return
+				}
+				sourceTags, err = getFileTagsByID(sourceID)
+				if err != nil {
+					http.Redirect(w, r, "/file/"+idStr+"?error="+url.QueryEscape(fmt.Sprintf("Could not copy tags from file %d: %s", sourceID, err.Error())), http.StatusSeeOther)
+					return
+				}
+				sourceDesc = fmt.Sprintf("file %d", sourceID)
 			}
-			for _, tag := range prevTags {
+
+			for _, tag := range sourceTags {
 				_, tagID, err := getOrCreateCategoryAndTag(tag.cat, tag.val)
 				if err != nil {
-					log.Printf("Error: fileHandler: failed to create tag %s:%s while copying from previous file for file id=%d: %v", tag.cat, tag.val, f.ID, err)
+					log.Printf("Error: fileHandler: failed to create tag %s:%s while copying from %s for file id=%d: %v", tag.cat, tag.val, sourceDesc, f.ID, err)
 					continue
 				}
 				if _, err = db.Exec("INSERT OR IGNORE INTO file_tags(file_id, tag_id) VALUES (?, ?)", f.ID, tagID); err != nil {
 					log.Printf("Error: fileHandler: failed to add tag %s:%s to file id=%d: %v", tag.cat, tag.val, f.ID, err)
 				}
 			}
-			http.Redirect(w, r, "/file/"+idStr+"?success="+url.QueryEscape(fmt.Sprintf("Copied %d tag(s) from previous file", len(prevTags))), http.StatusSeeOther)
+			http.Redirect(w, r, "/file/"+idStr+"?success="+url.QueryEscape(fmt.Sprintf("Copied %d tag(s) from %s", len(sourceTags), sourceDesc)), http.StatusSeeOther)
 			return
 		}