Add tag alias management functionality

frontend/src/network/network.ts

@@ -435,6 +435,24 @@ class Network {
     }
   }
 
+  async setTagAlias(tagID: number, aliases: string[]): Promise<Response<Tag>> {
+    try {
+      const response = await axios.put(
+        `${this.apiBaseUrl}/tag/${tagID}/alias`,
+        {
+          aliases,
+        },
+      );
+      return response.data;
+    } catch (e: any) {
+      console.error(e);
+      return {
+        success: false,
+        message: e.toString(),
+      };
+    }
+  }
+
   /**
    * Upload image and return the image id
    */

frontend/src/pages/tagged_resources_page.tsx

@@ -12,6 +12,7 @@ import Input, { TextArea } from "../components/input.tsx";
 import TagInput from "../components/tag_input.tsx";
 import Badge from "../components/badge.tsx";
 import { useAppContext } from "../components/AppContext.tsx";
+import { MdAdd, MdClose, MdEdit } from "react-icons/md";
 
 export default function TaggedResourcesPage() {
   const { tag: tagName } = useParams();
@@ -45,8 +46,8 @@ export default function TaggedResourcesPage() {
 
   return (
     <div>
-      <div className={"flex items-center"}>
-        <h1 className={"text-2xl pt-6 pb-2 px-4 font-bold flex-1"}>
+      <div className={"flex items-center px-4"}>
+        <h1 className={"text-2xl pt-6 pb-2 font-bold flex-1"}>
           {tag?.name ?? tagName}
         </h1>
         {tag && app.canUpload() && (
@@ -67,6 +68,9 @@ export default function TaggedResourcesPage() {
         {(tag?.aliases ?? []).map((e) => {
           return <Badge className={"m-1 badge-primary badge-soft"}>{e}</Badge>;
         })}
+        {app.canUpload() && tag && (
+          <EditAliasDialog tag={tag} onEdited={setTag} />
+        )}
       </div>
       {tag?.description && (
         <article className={"px-4 py-2"}>
@@ -216,3 +220,138 @@ function EditTagButton({
     </>
   );
 }
+
+function EditAliasDialog({
+  tag,
+  onEdited,
+}: {
+  tag: Tag;
+  onEdited?: (t: Tag) => void;
+}) {
+  const { t } = useTranslation();
+  const [alias, setAlias] = useState<string[]>(() => {
+    return tag.aliases ?? [];
+  });
+  const [isLoading, setIsLoading] = useState(false);
+  const [content, setContent] = useState("");
+  const [error, setError] = useState<string | null>(null);
+
+  const submit = async () => {
+    if (isLoading) {
+      return;
+    }
+    setError(null);
+
+    // compare alias and tag.aliases
+    let isModified = false;
+    if (alias.length !== tag.aliases?.length) {
+      isModified = true;
+    } else {
+      for (let i = 0; i < alias.length; i++) {
+        if (alias[i] !== tag.aliases![i]) {
+          isModified = true;
+          break;
+        }
+      }
+    }
+    if (!isModified) {
+      setError(t("No changes made"));
+      return;
+    }
+
+    setIsLoading(true);
+    const res = await network.setTagAlias(tag.id, alias);
+    setIsLoading(false);
+    if (res.success) {
+      const dialog = document.getElementById(
+        "edit_alias_dialog",
+      ) as HTMLDialogElement;
+      dialog.close();
+      if (onEdited) {
+        onEdited(res.data!);
+      }
+    } else {
+      setError(res.message || t("Unknown error"));
+    }
+  };
+
+  return (
+    <>
+      <Badge
+        className={
+          "m-1 badge-accent badge-soft cursor-pointer hover:shadow-sm transition-shadow"
+        }
+        onClick={() => {
+          setError(null);
+          setAlias(tag.aliases ?? []);
+          const dialog = document.getElementById(
+            "edit_alias_dialog",
+          ) as HTMLDialogElement;
+          dialog.showModal();
+        }}
+      >
+        <MdEdit />
+        <span>{t("Edit")}</span>
+      </Badge>
+      <dialog id="edit_alias_dialog" className="modal">
+        <div className="modal-box">
+          <h3 className="font-bold text-lg">{t("Edit Alias")}</h3>
+          <p className="py-4">
+            {alias.map((e) => {
+              return (
+                <Badge className={"m-1 badge-primary badge-soft"}>
+                  <span className={"text-sm pt-0.5"}>{e}</span>
+                  <span
+                    className={
+                      "inline-flex items-center justify-center cursor-pointer hover:bg-base-300 transition-colors rounded-full h-5 w-5"
+                    }
+                    onClick={() => {
+                      setAlias((prev) => prev.filter((x) => x !== e));
+                    }}
+                  >
+                    <MdClose />
+                  </span>
+                </Badge>
+              );
+            })}
+          </p>
+          <div className={"flex"}>
+            <input
+              className={"input flex-1"}
+              value={content}
+              onInput={(e) => {
+                setContent(e.currentTarget.value);
+              }}
+            />
+            <span className={"w-4"}></span>
+            <Button
+              className={"btn-circle"}
+              onClick={() => {
+                if (content.trim() === "") {
+                  return;
+                }
+                setAlias((prev) => [...prev, content.trim()]);
+                setContent("");
+              }}
+            >
+              <MdAdd size={20} />
+            </Button>
+          </div>
+          {error && <ErrorAlert className={"mt-2"} message={error} />}
+          <div className="modal-action">
+            <form method="dialog">
+              <Button className="btn btn-ghost">{t("Close")}</Button>
+            </form>
+            <Button
+              onClick={submit}
+              isLoading={isLoading}
+              className={"btn-primary"}
+            >
+              {t("Submit")}
+            </Button>
+          </div>
+        </div>
+      </dialog>
+    </>
+  );
+}

server/api/tag.go

@@ -180,12 +180,44 @@ func getOrCreateTags(c fiber.Ctx) error {
 	})
 }
 
+func editTagAlias(c fiber.Ctx) error {
+	uid, ok := c.Locals("uid").(uint)
+	if !ok {
+		return model.NewUnAuthorizedError("You must be logged in to edit tag aliases")
+	}
+
+	idStr := c.Params("id")
+	id, err := strconv.Atoi(idStr)
+	if err != nil {
+		return model.NewRequestError("Invalid tag ID")
+	}
+
+	var req struct {
+		Aliases []string `json:"aliases"`
+	}
+	if err := c.Bind().JSON(&req); err != nil {
+		return model.NewRequestError("Invalid request format")
+	}
+
+	tag, err := service.EditTagAlias(uid, uint(id), req.Aliases)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).JSON(model.Response[model.TagView]{
+		Success: true,
+		Data:    *tag,
+		Message: "Tag aliases updated successfully",
+	})
+}
+
 func AddTagRoutes(api fiber.Router) {
 	tag := api.Group("/tag")
 	{
 		tag.Post("/", handleCreateTag)
 		tag.Get("/search", handleSearchTag)
 		tag.Delete("/:id", handleDeleteTag)
+		tag.Put("/:id/alias", editTagAlias)
 		tag.Put("/:id/info", handleSetTagInfo)
 		tag.Get("/:name", handleGetTagByName)
 		tag.Get("/", getAllTags)

server/dao/tag.go

@@ -3,12 +3,16 @@ package dao
 import (
 	"errors"
 	"nysoure/server/model"
+	"strings"
 
 	"gorm.io/gorm"
 )
 
 func CreateTag(tag string) (model.Tag, error) {
 	// Create a new tag in the database
+	if strings.Contains(tag, "%") {
+		return model.Tag{}, model.NewRequestError("Tag name cannot contain '%' character")
+	}
 	t := model.Tag{Name: tag}
 	if err := db.Create(&t).Error; err != nil {
 		return model.Tag{}, err
@@ -18,6 +22,9 @@ func CreateTag(tag string) (model.Tag, error) {
 
 func CreateTagWithType(tag string, tagType string) (model.Tag, error) {
 	// Create a new tag with a specific type in the database
+	if strings.Contains(tag, "%") {
+		return model.Tag{}, model.NewRequestError("Tag name cannot contain '%' character")
+	}
 	t := model.Tag{Name: tag, Type: tagType}
 	if err := db.Create(&t).Error; err != nil {
 		return model.Tag{}, err
@@ -101,3 +108,35 @@ func ListTags() ([]model.Tag, error) {
 	}
 	return tags, nil
 }
+
+// SetTagAlias sets a tag with the given ID having the given alias.
+func SetTagAlias(tagID uint, alias string) error {
+	// Set a tag as an alias of another tag
+	var t model.Tag
+	if err := db.Where("name = ?", alias).First(&t).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			// create
+			newTag, err := CreateTag(alias)
+			if err != nil {
+				return err
+			}
+			t = newTag
+		} else {
+			return err
+		}
+	}
+	if t.ID == tagID {
+		return model.NewRequestError("Tag cannot be an alias of itself")
+	}
+	return db.Model(&t).Update("alias_of", tagID).Error
+}
+
+// RemoveTagAliasOf sets a tag is an independent tag, removing its alias relationship.
+func RemoveTagAliasOf(tagID uint) error {
+	// Remove the alias of a tag
+	return db.Model(&model.Tag{
+		Model: gorm.Model{
+			ID: tagID,
+		},
+	}).Update("alias_of", nil).Error
+}

server/service/tag.go

@@ -4,6 +4,8 @@ import (
 	"github.com/gofiber/fiber/v3/log"
 	"nysoure/server/dao"
 	"nysoure/server/model"
+	"slices"
+	"strings"
 )
 
 func CreateTag(uid uint, name string) (*model.TagView, error) {
@@ -161,3 +163,68 @@ func GetOrCreateTags(uid uint, names []string, tagType string) ([]model.TagView,
 	}
 	return tags, updateCachedTagList()
 }
+
+func EditTagAlias(uid uint, tagID uint, aliases []string) (*model.TagView, error) {
+	canUpload, err := checkUserCanUpload(uid)
+	if err != nil {
+		log.Error("Error checking user permissions:", err)
+		return nil, model.NewInternalServerError("Error checking user permissions")
+	}
+	if !canUpload {
+		return nil, model.NewUnAuthorizedError("User cannot create tags")
+	}
+
+	tag, err := dao.GetTagByID(tagID)
+	if err != nil {
+		return nil, err
+	}
+
+	if tag.AliasOf != nil {
+		return nil, model.NewRequestError("Cannot edit aliases of a tag that is an alias of another tag")
+	}
+
+	// trim params
+	for i, alias := range aliases {
+		aliases[i] = strings.TrimSpace(alias)
+		if aliases[i] == "" {
+			return nil, model.NewRequestError("Alias cannot be empty")
+		}
+	}
+
+	// new aliases
+	for _, name := range aliases {
+		if name == "" {
+			continue
+		}
+		exists := false
+		for _, alias := range tag.Aliases {
+			if alias.Name == name {
+				exists = true
+				break
+			}
+		}
+		if !exists {
+			err := dao.SetTagAlias(tagID, name)
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	// remove old aliases
+	for _, alias := range tag.Aliases {
+		if !slices.Contains(aliases, alias.Name) {
+			err := dao.RemoveTagAliasOf(alias.ID)
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	t, err := dao.GetTagByID(tagID)
+	if err != nil {
+		return nil, err
+	}
+
+	return t.ToView(), updateCachedTagList()
+}