Merge pull request #7 from MikunoNaka/user-mangalist

Added functionality to update manga lists

1 files changed, 113 insertions, 0 deletions

diff --git a/user/manga/mangalist.go b/user/manga/mangalist.go
new file mode 100644
index 0000000..009a65c
--- /dev/null
+++ b/user/manga/mangalist.go
@@ -0,0 +1,113 @@
+/* MAL2Go - MyAnimeList V2 API wrapper for Go
+ * Copyright (C) 2022  Vidhu Kant Sharma <vidhukant@protonmail.ch>
+
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>. */
+
+package manga
+
+import (
+	"encoding/json"
+  "strconv"
+  "fmt"
+  "errors"
+  e "github.com/MikunoNaka/MAL2Go/errhandlers"
+  u "github.com/MikunoNaka/MAL2Go/util"
+)
+
+const BASE_URL string = "https://api.myanimelist.net/v2"
+const maxListLimit int = 1000
+
+// Delete a manga from user's manga list
+func (c Client)DeleteManga(id int) string {
+  endpoint := fmt.Sprintf("%s/manga/%d/my_list_status", BASE_URL, id)
+  /* Returns 200 if manga successfully deleted
+   * Alternatively returns 404 if manga not in user's manga list */
+  return c.requestHandler(endpoint, "DELETE")
+}
+
+// Get authenticated user's manga list
+func (c Client) GetMangaList(user, status, sort string, limit, offset int, fields []string) (MangaList, error){
+  var userMangaList MangaList
+  // error handling for limit
+  limitErr := e.LimitErrHandler(limit, maxListLimit)
+  if limitErr != nil { 
+    return userMangaList, limitErr
+  }
+
+  // handle all the errors for the fields
+  fields, err := e.FieldsErrHandler(fields)
+  if err != nil {
+    return userMangaList, err
+  }
+
+  // append "list_status" field only used by this func.
+  fields = append(fields, "list_status")
+
+  // checks if valid sort is specified
+  if !e.IsValidMangaListSort(sort) {
+    return userMangaList, errors.New(fmt.Sprintf("GetMangaList: Invalid sort specified: \"%s\"", sort))
+  }
+
+  // checks if valid status is specified
+  if status != "" && !e.IsValidMangaListStatus(status) {
+    return userMangaList, errors.New(fmt.Sprintf("GetMangaList: Invalid status specified: \"%s\"", status))
+  }
+
+  // get own list if user not specified
+  if user == "" {
+    user = "@me"
+  }
+
+  var endpoint string
+  // if status is "" it returns all anime
+  if status == "" {
+    endpoint, _ = u.UrlGenerator(
+      BASE_URL + "/users/" + user + "/mangalist",
+      []string{"sort", "limit", "offset", "fields"},
+      [][]string{{sort}, {strconv.Itoa(limit)}, {strconv.Itoa(offset)}, fields},
+      true,
+    )
+  } else {
+    // status gets included if specified
+    endpoint, _ = u.UrlGenerator(
+      BASE_URL + "/users/" + user + "/mangalist",
+      []string{"status", "sort", "limit", "offset", "fields"},
+      [][]string{{status}, {sort}, {strconv.Itoa(limit)}, {strconv.Itoa(offset)}, fields},
+      true,
+    )
+  }
+
+  // get data from API
+  var mangaListData MangaListRaw
+  data := c.requestHandler(endpoint, "GET")
+  json.Unmarshal([]byte(data), &mangaListData)
+
+  // set MyListStatus for each element and add it to array
+  var mangas []Manga
+  for _, element := range mangaListData.Data {
+    a := element.Manga
+    a.ListStatus = element.ListStatus
+
+    mangas = append(mangas, a)
+  }
+
+  // finally create AnimeList
+  userMangaList = MangaList {
+    Mangas: mangas,
+    Paging: mangaListData.Paging,
+  }
+
+  return userMangaList, nil
+}
+