File model and api is almost complete

- Added "Kind" field to File model
- Added file query
- Added editFile mutation
- Added removeFile mutation

resolver/file.go

@@ -0,0 +1,129 @@
+package resolver
+
+import (
+	"context"
+	"time"
+
+	"git.aiterp.net/rpdata/api/internal/session"
+	"git.aiterp.net/rpdata/api/model/file"
+)
+
+// FileResolver for the File graphql type
+type FileResolver struct{ F file.File }
+
+// FileArgs is an arg
+type FileArgs struct {
+	ID string
+}
+
+// File implements the file query
+func (r *QueryResolver) File(ctx context.Context, args *FileArgs) (*FileResolver, error) {
+	file, err := file.FindID(args.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	return &FileResolver{F: file}, nil
+}
+
+// FileEditInput is an input for the editFile mutation
+type FileEditInput struct {
+	ID     string
+	Name   *string
+	Public *bool
+}
+
+// EditFile resolves the editFile mutation
+func (r *MutationResolver) EditFile(ctx context.Context, args *struct{ Input FileEditInput }) (*FileResolver, error) {
+	user := session.FromContext(ctx).User()
+	if user == nil || !user.Permitted("member") {
+		return nil, ErrUnauthorized
+	}
+
+	file, err := file.FindID(args.Input.ID)
+	if err != nil {
+		return nil, err
+	}
+	if file.Author != user.ID && !user.Permitted("file.edit") {
+		return nil, ErrUnauthorized
+	}
+
+	err = file.Edit(args.Input.Name, args.Input.Public)
+	if err != nil {
+		return nil, err
+	}
+
+	return &FileResolver{F: file}, nil
+}
+
+// RemoveFile resolves the removeFIle mutation
+func (r *MutationResolver) RemoveFile(ctx context.Context, args *FileArgs) (*FileResolver, error) {
+	user := session.FromContext(ctx).User()
+	if user == nil || !user.Permitted("member") {
+		return nil, ErrUnauthorized
+	}
+
+	file, err := file.FindID(args.ID)
+	if err != nil {
+		return nil, err
+	}
+	if file.Author != user.ID && !user.Permitted("file.remove") {
+		return nil, ErrUnauthorized
+	}
+
+	err = file.Delete()
+	if err != nil {
+		return nil, err
+	}
+
+	return &FileResolver{F: file}, nil
+}
+
+// ID resolves File.id
+func (f *FileResolver) ID() string {
+	return f.F.ID
+}
+
+// Author resolves File.author
+func (f *FileResolver) Author() string {
+	return f.F.Author
+}
+
+// Kind resolves File.kind
+func (f *FileResolver) Kind() string {
+	return f.F.Kind
+}
+
+// Time resolves File.time
+func (f *FileResolver) Time() string {
+	return f.F.Time.Format(time.RFC3339Nano)
+}
+
+// Public resolves File.public
+func (f *FileResolver) Public() bool {
+	return f.F.Public
+}
+
+// Name resolves File.name
+func (f *FileResolver) Name() string {
+	return f.F.Name
+}
+
+// MimeType resolves File.mimeType
+func (f *FileResolver) MimeType() string {
+	return f.F.MimeType
+}
+
+// Size resolves File.size
+func (f *FileResolver) Size() int32 {
+	return int32(f.F.Size)
+}
+
+// URL resolves File.url
+func (f *FileResolver) URL() *string {
+	if f.F.URL == "" {
+		return nil
+	}
+
+	return &f.F.URL
+}