|
| 1 | +import os |
| 2 | + |
| 3 | +from flask import request, g |
| 4 | +from flask_restful import reqparse, abort, Resource, marshal_with, fields |
| 5 | +from werkzeug import secure_filename |
| 6 | +from utils.decorators import login_required, validate_user |
| 7 | + |
| 8 | +from api.models import File |
| 9 | + |
| 10 | +BASE_DIR = os.path.abspath( |
| 11 | + os.path.dirname(os.path.dirname(__file__)) |
| 12 | +) |
| 13 | + |
| 14 | +ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif']) |
| 15 | + |
| 16 | +file_array_serializer = { |
| 17 | + 'id': fields.String, |
| 18 | + 'name': fields.String, |
| 19 | + 'size': fields.Integer, |
| 20 | + 'uri': fields.String, |
| 21 | + 'is_folder': fields.Boolean, |
| 22 | + 'parent_id': fields.String, |
| 23 | + 'creator': fields.String, |
| 24 | + 'date_created': fields.DateTime(dt_format='rfc822'), |
| 25 | + 'date_modified': fields.DateTime(dt_format='rfc822'), |
| 26 | +} |
| 27 | + |
| 28 | +file_serializer = { |
| 29 | + 'id': fields.String, |
| 30 | + 'name': fields.String, |
| 31 | + 'size': fields.Integer, |
| 32 | + 'uri': fields.String, |
| 33 | + 'is_folder': fields.Boolean, |
| 34 | + 'objects': fields.Nested(file_array_serializer, default=[]), |
| 35 | + 'parent_id': fields.String, |
| 36 | + 'creator': fields.String, |
| 37 | + 'date_created': fields.DateTime(dt_format='rfc822'), |
| 38 | + 'date_modified': fields.DateTime(dt_format='rfc822'), |
| 39 | +} |
| 40 | + |
| 41 | +def is_allowed(filename): |
| 42 | + return '.' in filename and filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS |
| 43 | + |
| 44 | +class CreateList(Resource): |
| 45 | + """docstring for CreateList""" |
| 46 | + @login_required |
| 47 | + @validate_user |
| 48 | + @marshal_with(file_array_serializer) |
| 49 | + |
| 50 | + def get(self, user_id): |
| 51 | + try: |
| 52 | + return File.filter({'creator': user_id, 'parent_id': 0}) |
| 53 | + except Exception as e: |
| 54 | + abort(500, message="There was an error while trying to get your files --> {}".format(e.message)) |
| 55 | + |
| 56 | + @login_required |
| 57 | + @validate_user |
| 58 | + @marshal_with(file_serializer) |
| 59 | + def post(self, user_id): |
| 60 | + try: |
| 61 | + parser = reqparse.RequestParser() |
| 62 | + parser.add_argument('name', type=str, help="This should be the folder name if creating a folder") |
| 63 | + parser.add_argument('parent_id', type=str, help="This should be the parent folder id") |
| 64 | + parser.add_argument('is_folder', type=str, help="This indicates whether you are trying to create a folder or not") |
| 65 | + |
| 66 | + args = parser.parse_args() |
| 67 | + |
| 68 | + name = args.get('name', None) |
| 69 | + parent_id = args.get('parent_id', None) |
| 70 | + is_folder = args.get('is_folder', False) |
| 71 | + |
| 72 | + parent = None |
| 73 | + |
| 74 | + # Are we adding this to a oarent folder? |
| 75 | + if parent_id is not None: |
| 76 | + parent = File.find(parent_id) |
| 77 | + if parent is None: |
| 78 | + raise Exception("This folder does not exist") |
| 79 | + if not parent['is_folder']: |
| 80 | + raise Exception("Select a valid folder to upload to") |
| 81 | + |
| 82 | + # Are we creating a folder? |
| 83 | + if is_folder: |
| 84 | + if name is None: |
| 85 | + raise Exception("You need to specify a name for this folder") |
| 86 | + |
| 87 | + return Folder.create( |
| 88 | + name=name, |
| 89 | + parent=parent, |
| 90 | + is_folder=is_folder, |
| 91 | + creator=user_id |
| 92 | + ) |
| 93 | + else: |
| 94 | + files = request.files['file'] |
| 95 | + |
| 96 | + if files and is_allowed(files.filename): |
| 97 | + _dir = os.path.join(BASE_DIR, 'upload/{}/'.format(user_id)) |
| 98 | + |
| 99 | + if not os.path.isdir(_dir): |
| 100 | + os.mkdir(_dir) |
| 101 | + |
| 102 | + filename = secure_filename(files.filename) |
| 103 | + to_path = os.path.join(_dir, filename) |
| 104 | + files.save(to_path) |
| 105 | + fileuri = os.path.join('upload/{}/'.format(user_id), filename) |
| 106 | + filesize = os.path.getsize(to_path) |
| 107 | + |
| 108 | + return File.create( |
| 109 | + name=filename, |
| 110 | + uri=fileuri, |
| 111 | + size=filesize, |
| 112 | + parent=parent, |
| 113 | + creator=user_id |
| 114 | + ) |
| 115 | + raise Exception("You did not supply a valid file in your request") |
| 116 | + except Exception as e: |
| 117 | + abort(500, message="There was an error while processing your request --> {}".format(e.message)) |
| 118 | + |
| 119 | + |
| 120 | +class ViewEditDelete(Resource): |
| 121 | + """docstring for ViewEditDelete""" |
| 122 | + @login_required |
| 123 | + @validate_user |
| 124 | + @belongs_to_user |
| 125 | + @marshal_with(file_serializer) |
| 126 | + def get(self, user_id, file_id): |
| 127 | + try: |
| 128 | + should_download = request.args.get('download', False) |
| 129 | + if should_download == 'true': |
| 130 | + parts = os.path.split(g.file['uri']) |
| 131 | + return send_from_directory(directory=parts[0], filename=parts[1]) |
| 132 | + return g.file |
| 133 | + except Exception as e: |
| 134 | + abort(500, message="There was an error while processing your request --> {}".format(e.message)) |
| 135 | + |
| 136 | + @login_required |
| 137 | + @validate_user |
| 138 | + @belongs_to_user |
| 139 | + @marshal_with(file_serializer) |
| 140 | + def put(self, user_id, file_id): |
| 141 | + try: |
| 142 | + update_fields = {} |
| 143 | + parser = reqparse.RequestParser() |
| 144 | + |
| 145 | + parser.add_argument('name', type=str, help="New name for the file/folder") |
| 146 | + parser.add_argument('parent_id', type=str, help="New parent folder for the file/folder") |
| 147 | + |
| 148 | + args = parser.parse_args() |
| 149 | + |
| 150 | + name = args.get('name', None) |
| 151 | + parent_id = args.get('parent_id', None) |
| 152 | + |
| 153 | + if name is not None: |
| 154 | + update_fields['name'] = name |
| 155 | + |
| 156 | + if parent_id is not None and g.file['parent_id'] != parent_id: |
| 157 | + if parent_id != '0': |
| 158 | + folder_access = Folder.filter({'id': parent_id, 'creator': user_id}) |
| 159 | + if not folder_access: |
| 160 | + abort(404, message="You don't have access to the folder you're tyring to move this object to") |
| 161 | + |
| 162 | + if g.file['is_folder']: |
| 163 | + update_fields['tag'] = g.file['id'] if parent_id == '0' else '{}#{}'.format(folder_access['tag'], folder['last_index']) |
| 164 | + Folder.move(g.file, folder_access) |
| 165 | + else: |
| 166 | + File.move(g.file, folder_access) |
| 167 | + |
| 168 | + update_fields['parent_id'] = parent_id |
| 169 | + |
| 170 | + if g.file['is_folder']: |
| 171 | + Folder.update(file_id, update_fields) |
| 172 | + else: |
| 173 | + File.update(file_id, update_fields) |
| 174 | + |
| 175 | + return File.find(file_id) |
| 176 | + except Exception as e: |
| 177 | + abort(500, message="There was an error while processing your request --> {}".format(e.message)) |
| 178 | + |
| 179 | + @login_required |
| 180 | + @validate_user |
| 181 | + @belongs_to_user |
| 182 | + @marshal_with(file_serializer) |
| 183 | + def delete(self, user_id, file_id): |
| 184 | + try: |
| 185 | + hard_delete = request.args.get('hard_delete', False) |
| 186 | + if not g.file['is_folder']: |
| 187 | + if hard_delete == 'true': |
| 188 | + os.remove(g.file['uri']) |
| 189 | + File.delete(file_id) |
| 190 | + else: |
| 191 | + File.update(file_id, {'status': False}) |
| 192 | + else: |
| 193 | + if hard_delete == 'true': |
| 194 | + folders = Folder.filter(lambda folder: folder['tag'].startswith(g.file['tag'])) |
| 195 | + for folder in folders: |
| 196 | + files = File.filter({'parent_id': folder['id'], 'is_folder': False}) |
| 197 | + File.delete_where({'parent_id': folder['id'], 'is_folder': False}) |
| 198 | + for f in files: |
| 199 | + os.remove(f['uri']) |
| 200 | + else: |
| 201 | + File.update(file_id, {'status': False}) |
| 202 | + File.update_where({'parent_id': file_id}, {'status': False}) |
| 203 | + return "File has been deleted successfully", 204 |
| 204 | + except Exception as e: |
| 205 | + abort(500, message="There was an error while processing your request --> {}".format(e.message)) |
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