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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,204 @@ | ||
| package handlers | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "regexp" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
||
| DB "github.com/abhijit-hota/rengoku/server/db" | ||
| "github.com/abhijit-hota/rengoku/server/utils" | ||
| "github.com/gin-gonic/gin" | ||
| ) | ||
|
|
||
| type Node struct { | ||
| Children Tree `json:"children,omitempty"` | ||
| Name string `json:"name"` | ||
| } | ||
| type Tree map[string]*Node | ||
|
|
||
| func GetLinkTree(ctx *gin.Context) { | ||
| db := DB.GetDB() | ||
|
|
||
| rows, err := db.Query(`SELECT id, name, path FROM folders`) | ||
| utils.Must(err) | ||
| defer rows.Close() | ||
|
|
||
| linktree := make(Tree) | ||
|
|
||
| for rows.Next() { | ||
| var linkID int | ||
| var name string | ||
| var path string | ||
|
|
||
| err = rows.Scan(&linkID, &name, &path) | ||
| utils.Must(err) | ||
|
|
||
| pathArr := strings.Split(path+strconv.Itoa(linkID), "/") | ||
| cursor := linktree | ||
|
|
||
| depth := len(pathArr) - 1 | ||
| for index, tag := range pathArr { | ||
| if cursor[tag] == nil { | ||
| cursor[tag] = &Node{make(Tree), ""} | ||
| } | ||
| if index == depth { | ||
| cursor[tag].Name = name | ||
| } | ||
| cursor = cursor[tag].Children | ||
| } | ||
| } | ||
| err = rows.Err() | ||
| utils.Must(err) | ||
| ctx.JSON(http.StatusOK, linktree) | ||
| } | ||
|
|
||
| func GetRootFolders(ctx *gin.Context) { | ||
| db := DB.GetDB() | ||
|
|
||
| var query struct { | ||
| Str string `form:"q"` | ||
| } | ||
|
|
||
| if err := ctx.BindQuery(&query); err != nil { | ||
| return | ||
| } | ||
|
|
||
| dbQuery := "SELECT * FROM folders" | ||
| if query.Str != "" { | ||
| dbQuery += " WHERE name LIKE '%" + query.Str + "%'" | ||
| } | ||
| preparedStmt, err := db.Prepare(dbQuery) | ||
| utils.Must(err) | ||
|
|
||
| rows, err := preparedStmt.Query() | ||
| defer rows.Close() | ||
| utils.Must(err) | ||
|
|
||
| folders := make([]DB.Folder, 0) | ||
| for rows.Next() { | ||
| var folder DB.Folder | ||
|
|
||
| rows.Scan( | ||
| &folder.ID, | ||
| &folder.Name, | ||
| &folder.Path, | ||
| &folder.Created, | ||
| &folder.LastUpdated, | ||
| ) | ||
| folders = append(folders, folder) | ||
| } | ||
| if rows.Err() != nil { | ||
| ctx.JSON(http.StatusInternalServerError, gin.H{"error": "INTERNAL_ERROR"}) | ||
| } | ||
| ctx.JSON(http.StatusOK, folders) | ||
| } | ||
|
|
||
| var re = regexp.MustCompile(`(.*/|)(\d{1,})/$`) | ||
|
|
||
| func CreateFolder(ctx *gin.Context) { | ||
| db := DB.GetDB() | ||
|
|
||
| var req struct { | ||
| NameRequest | ||
| Path string `json:"path,omitempty" form:"path"` | ||
| } | ||
| if err := ctx.Bind(&req); err != nil { | ||
| return | ||
| } | ||
|
|
||
| now := time.Now().Unix() | ||
|
|
||
| split := re.FindStringSubmatch(req.Path) | ||
| if len(split) > 0 { | ||
| parentPath, immediateParent := split[1], split[2] | ||
|
|
||
| query := "SELECT COUNT(*) FROM folders WHERE id = ? AND path = ?" | ||
| result := db.QueryRow(query, immediateParent, parentPath) | ||
| var numId int | ||
| result.Scan(&numId) | ||
|
|
||
| if numId != 1 { | ||
| ctx.JSON(http.StatusBadRequest, gin.H{"message": "INVALID_FOLDER_PATH"}) | ||
| return | ||
| } | ||
| } else { | ||
| req.Path = "" | ||
| } | ||
|
|
||
| stmt := "INSERT INTO folders (name, path, created, last_updated) VALUES (?, ?, ?, ?)" | ||
| res, err := db.Exec(stmt, req.Name, req.Path, now, now) | ||
| if err != nil && strings.HasPrefix(err.Error(), "UNIQUE constraint failed") || utils.MustGet(res.RowsAffected()) == 0 { | ||
| ctx.JSON(http.StatusBadRequest, gin.H{"code": "NAME_ALREADY_PRESENT"}) | ||
| return | ||
| } | ||
| utils.Must(err) | ||
| latestId := utils.MustGet(res.LastInsertId()) | ||
| folder := DB.Folder{ | ||
| ID: latestId, | ||
| Created: now, | ||
| LastUpdated: now, | ||
| Name: req.Name, | ||
| Path: req.Path, | ||
| } | ||
| ctx.JSON(http.StatusOK, folder) | ||
| } | ||
|
|
||
| func UpdateFolderName(ctx *gin.Context) { | ||
| db := DB.GetDB() | ||
|
|
||
| var uri IdUri | ||
|
|
||
| if err := ctx.BindUri(&uri); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var req NameRequest | ||
| if err := ctx.Bind(&req); err != nil { | ||
| return | ||
| } | ||
|
|
||
| tx, err := db.Begin() | ||
| utils.Must(err) | ||
|
|
||
| statement := "UPDATE folders SET name = ?, last_updated = ? WHERE id = ? AND name != ?" | ||
| now := time.Now().Unix() | ||
|
|
||
| _, err = tx.Exec(statement, req.Name, now, uri.ID, req.Name) | ||
| if err != nil && strings.HasPrefix(err.Error(), "UNIQUE constraint failed") { | ||
| ctx.JSON(http.StatusBadRequest, gin.H{"code": "NAME_ALREADY_PRESENT"}) | ||
| return | ||
| } | ||
| utils.Must(err) | ||
|
|
||
| var folder DB.Folder | ||
| updatedTag := tx.QueryRow("SELECT * FROM folders WHERE id = ?", uri.ID) | ||
| updatedTag.Scan(&folder.ID, &folder.Name, &folder.Path, &folder.Created, &folder.LastUpdated) | ||
|
|
||
| tx.Commit() | ||
| ctx.JSON(http.StatusOK, folder) | ||
| } | ||
|
|
||
| func DeleteFolder(ctx *gin.Context) { | ||
| db := DB.GetDB() | ||
|
|
||
| var uri IdUri | ||
| if err := ctx.BindUri(&uri); err != nil { | ||
| return | ||
| } | ||
|
|
||
| tx, _ := db.Begin() | ||
|
|
||
| statement := "DELETE FROM folders WHERE id = ?" | ||
| info, err := tx.Exec(statement, uri.ID) | ||
| utils.Must(err) | ||
| numDeleted, _ := info.RowsAffected() | ||
|
|
||
| statement = "DELETE FROM links_folders WHERE folder_id = ?" | ||
| _, err = tx.Exec(statement, uri.ID) | ||
| utils.Must(err) | ||
|
|
||
| tx.Commit() | ||
| ctx.JSON(http.StatusOK, gin.H{"deleted": numDeleted == 1}) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -5,3 +5,7 @@ func Must(err error) { | |
| panic(err) | ||
| } | ||
| } | ||
| func MustGet[T any](v T, err error) T { | ||
| Must(err) | ||
| return v | ||
| } | ||