| 1 | # -*- coding: utf-8 -*- |
|---|
| 2 | |
|---|
| 3 | import re |
|---|
| 4 | import time |
|---|
| 5 | import urlparse |
|---|
| 6 | |
|---|
| 7 | from trac.cache import cached |
|---|
| 8 | from trac.config import BoolOption, ListOption, Option |
|---|
| 9 | from trac.core import implements |
|---|
| 10 | from trac.db import Column, DatabaseManager, Index, Table |
|---|
| 11 | from trac.resource import Resource, resource_exists |
|---|
| 12 | from trac.search.api import search_to_sql |
|---|
| 13 | from trac.web.chrome import Chrome |
|---|
| 14 | |
|---|
| 15 | from api import IFormDBObserver, _ |
|---|
| 16 | from compat import json |
|---|
| 17 | from tracdb import DBComponent |
|---|
| 18 | from util import is_number, parse_history, resource_from_page, xml_unescape |
|---|
| 19 | |
|---|
| 20 | __all__ = ['FormDBComponent', 'format_author'] |
|---|
| 21 | |
|---|
| 22 | |
|---|
| 23 | class FormDBComponent(DBComponent): |
|---|
| 24 | """Provides form update methods and schema components.""" |
|---|
| 25 | |
|---|
| 26 | implements(IFormDBObserver) |
|---|
| 27 | |
|---|
| 28 | apply_schema = True |
|---|
| 29 | |
|---|
| 30 | parent_blacklist = Option( |
|---|
| 31 | 'forms', 'parent_blacklist', 'wiki:PageTemplates/*,/newticket', |
|---|
| 32 | doc="""Deaktivate form submission from these (parent) resources. |
|---|
| 33 | Resources are specified as comma-separated list of paths and/or |
|---|
| 34 | <realm>:<resource_id> pairs, even with REGEXP pattern supported |
|---|
| 35 | for resource IDs in the latter specifier type.""") |
|---|
| 36 | |
|---|
| 37 | show_fullname = BoolOption( |
|---|
| 38 | 'forms', 'show_fullname', False, |
|---|
| 39 | doc="Display full names instead of usernames if available.") |
|---|
| 40 | |
|---|
| 41 | show_fullname_pos = ListOption( |
|---|
| 42 | 'forms', 'show_fullname_position', 'macro', |
|---|
| 43 | doc="""Comma-separated list containing one or more of the possible |
|---|
| 44 | positional descriptors 'change', 'macro', 'value'. Default is |
|---|
| 45 | to show full names in 'macro' content only. |
|---|
| 46 | """) |
|---|
| 47 | |
|---|
| 48 | def __init__(self): |
|---|
| 49 | # Preprocess blacklist configuration option. |
|---|
| 50 | listd = {} |
|---|
| 51 | for elem in self.parent_blacklist.split(','): |
|---|
| 52 | res = elem.split(':', 1) |
|---|
| 53 | # Result is a Trac resource realm or a special context without |
|---|
| 54 | # resource ID, i.e. /newticket |
|---|
| 55 | if [elem] == res: |
|---|
| 56 | if listd.get('paths'): |
|---|
| 57 | listd['paths'].append(res[0]) |
|---|
| 58 | else: |
|---|
| 59 | listd['paths'] = res |
|---|
| 60 | else: |
|---|
| 61 | if listd.get(res[0]): |
|---|
| 62 | listd[res[0]].append(res[1]) |
|---|
| 63 | else: |
|---|
| 64 | listd[res[0]] = [res[1]] |
|---|
| 65 | self.parent_blacklisted = listd |
|---|
| 66 | |
|---|
| 67 | # abstract TracForms update methods |
|---|
| 68 | |
|---|
| 69 | def get_tracform_ids(self, src): |
|---|
| 70 | """Returns all child forms of resource specified by parent realm and |
|---|
| 71 | parent id as a list of tuples (form_id and corresponding subcontext). |
|---|
| 72 | """ |
|---|
| 73 | return [(int(form_id), subcontext) |
|---|
| 74 | for form_id, subcontext in self.env.db_query(""" |
|---|
| 75 | SELECT id, subcontext FROM forms |
|---|
| 76 | WHERE realm=%s AND resource_id=%s |
|---|
| 77 | """, (src[0], src[1]))] |
|---|
| 78 | |
|---|
| 79 | def get_tracform_meta(self, src): |
|---|
| 80 | """ |
|---|
| 81 | Returns the meta information about a form based on a form id (int or |
|---|
| 82 | long) or context (parent realm, parent id, TracForms subcontext). |
|---|
| 83 | """ |
|---|
| 84 | sql = """ |
|---|
| 85 | SELECT id, realm, resource_id, subcontext, author, time, |
|---|
| 86 | keep_history, track_fields |
|---|
| 87 | FROM forms %s |
|---|
| 88 | """ |
|---|
| 89 | if not is_number(src): |
|---|
| 90 | sql %= "WHERE realm=%s AND resource_id=%s AND subcontext=%s" |
|---|
| 91 | else: |
|---|
| 92 | sql %= "WHERE id=%s" |
|---|
| 93 | form_id = None |
|---|
| 94 | realm = None |
|---|
| 95 | resource_id = None |
|---|
| 96 | subcontext = None |
|---|
| 97 | if not is_number(src): |
|---|
| 98 | realm, resource_id, subcontext = src |
|---|
| 99 | else: |
|---|
| 100 | form_id = src |
|---|
| 101 | src = tuple([src], ) |
|---|
| 102 | for row in self.env.db_query(sql, src): |
|---|
| 103 | return row |
|---|
| 104 | return form_id, realm, resource_id, subcontext, None, None, None, None |
|---|
| 105 | |
|---|
| 106 | def get_tracform_state(self, src): |
|---|
| 107 | sql = "SELECT state FROM forms " |
|---|
| 108 | if not is_number(src): |
|---|
| 109 | sql += "WHERE realm=%s AND resource_id=%s AND subcontext=%s" |
|---|
| 110 | else: |
|---|
| 111 | sql += "WHERE id=%s" |
|---|
| 112 | src = tuple([src], ) |
|---|
| 113 | for state, in self.env.db_query(sql, src): |
|---|
| 114 | return state |
|---|
| 115 | |
|---|
| 116 | def save_tracform_allowed(self, path_or_realm, resource_id): |
|---|
| 117 | if not resource_id: |
|---|
| 118 | if path_or_realm not in self.parent_blacklisted.get('paths', []): |
|---|
| 119 | return True |
|---|
| 120 | else: |
|---|
| 121 | if path_or_realm not in self.parent_blacklisted.keys(): |
|---|
| 122 | return True |
|---|
| 123 | else: |
|---|
| 124 | for pattern in self.parent_blacklisted[path_or_realm]: |
|---|
| 125 | if re.match(pattern, resource_id): |
|---|
| 126 | return False |
|---|
| 127 | return True |
|---|
| 128 | return False |
|---|
| 129 | |
|---|
| 130 | def save_tracform(self, src, state, author, |
|---|
| 131 | base_version=None, keep_history=False, |
|---|
| 132 | track_fields=False): |
|---|
| 133 | (form_id, realm, resource_id, subcontext, last_updater, |
|---|
| 134 | last_updated_on, form_keep_history, |
|---|
| 135 | form_track_fields) = self.get_tracform_meta(src) |
|---|
| 136 | |
|---|
| 137 | if form_keep_history is not None: |
|---|
| 138 | keep_history = form_keep_history |
|---|
| 139 | old_state = form_id and self.get_tracform_state(form_id) or '{}' |
|---|
| 140 | if form_track_fields is not None: |
|---|
| 141 | track_fields = form_track_fields |
|---|
| 142 | |
|---|
| 143 | if base_version is not None: |
|---|
| 144 | base_version = int(base_version or 0) |
|---|
| 145 | |
|---|
| 146 | if ((base_version is None and last_updated_on is None) or |
|---|
| 147 | (base_version == last_updated_on)): |
|---|
| 148 | if state != old_state and \ |
|---|
| 149 | self.save_tracform_allowed(realm, resource_id): |
|---|
| 150 | updated_on = int(time.time()) |
|---|
| 151 | with self.env.db_transaction as db: |
|---|
| 152 | if form_id is None: |
|---|
| 153 | cursor = db.cursor() |
|---|
| 154 | cursor.execute(""" |
|---|
| 155 | INSERT INTO forms (realm, resource_id, subcontext, |
|---|
| 156 | state, author, time) |
|---|
| 157 | VALUES (%s, %s, %s, %s, %s, %s) |
|---|
| 158 | """, (realm, resource_id, subcontext, state, |
|---|
| 159 | author, updated_on)) |
|---|
| 160 | form_id = db.get_last_id(cursor, 'forms') |
|---|
| 161 | else: |
|---|
| 162 | db(""" |
|---|
| 163 | UPDATE forms |
|---|
| 164 | SET state=%s, author=%s, time=%s |
|---|
| 165 | WHERE id=%s |
|---|
| 166 | """, (state, author, updated_on, form_id)) |
|---|
| 167 | if keep_history: |
|---|
| 168 | db(""" |
|---|
| 169 | INSERT INTO forms_history |
|---|
| 170 | (id, time, author, old_state) |
|---|
| 171 | VALUES (%s, %s, %s, %s) |
|---|
| 172 | """, (form_id, last_updated_on, |
|---|
| 173 | last_updater, old_state)) |
|---|
| 174 | if track_fields: |
|---|
| 175 | # Break down old version and new version. |
|---|
| 176 | old_fields = json.loads(old_state) |
|---|
| 177 | new_fields = json.loads(state or '{}') |
|---|
| 178 | updated_fields = [] |
|---|
| 179 | for field, old_value in old_fields.iteritems(): |
|---|
| 180 | if new_fields.get(field) != old_value: |
|---|
| 181 | updated_fields.append(field) |
|---|
| 182 | for field in new_fields: |
|---|
| 183 | if old_fields.get(field) is None: |
|---|
| 184 | updated_fields.append(field) |
|---|
| 185 | self.log.debug('UPDATED: ', updated_fields) |
|---|
| 186 | for field in updated_fields: |
|---|
| 187 | for count, in db(""" |
|---|
| 188 | SELECT COUNT(*) |
|---|
| 189 | FROM forms_fields |
|---|
| 190 | WHERE id=%s AND field=%s""", (form_id, |
|---|
| 191 | field)): |
|---|
| 192 | if count: |
|---|
| 193 | db(""" |
|---|
| 194 | UPDATE forms_fields |
|---|
| 195 | SET author=%s, time=%s |
|---|
| 196 | WHERE id=%s AND field=%s |
|---|
| 197 | """, (author, updated_on, |
|---|
| 198 | form_id, field)) |
|---|
| 199 | else: |
|---|
| 200 | db(""" |
|---|
| 201 | INSERT INTO forms_fields |
|---|
| 202 | (id, field, author, time) |
|---|
| 203 | VALUES (%s, %s, %s, %s) |
|---|
| 204 | """, (form_id, field, |
|---|
| 205 | author, updated_on)) |
|---|
| 206 | else: |
|---|
| 207 | updated_on = last_updated_on |
|---|
| 208 | author = last_updater |
|---|
| 209 | return ((form_id, realm, resource_id, subcontext, state, |
|---|
| 210 | author, updated_on), |
|---|
| 211 | (form_id, realm, resource_id, subcontext, old_state, |
|---|
| 212 | last_updater, last_updated_on)) |
|---|
| 213 | else: |
|---|
| 214 | raise ValueError(_("Conflict")) |
|---|
| 215 | |
|---|
| 216 | def get_tracform_history(self, src): |
|---|
| 217 | form_id = src if is_number(src) else self.get_tracform_meta(src)[0] |
|---|
| 218 | return self.env.db_query(""" |
|---|
| 219 | SELECT author, time, old_state FROM forms_history |
|---|
| 220 | WHERE id=%s ORDER BY time DESC |
|---|
| 221 | """, (form_id,)) |
|---|
| 222 | |
|---|
| 223 | def get_tracform_fields(self, src): |
|---|
| 224 | form_id = src if is_number(src) else self.get_tracform_meta(src)[0] |
|---|
| 225 | return self.env.db_query(""" |
|---|
| 226 | SELECT field, author, time FROM forms_fields WHERE id=%s |
|---|
| 227 | """, (form_id,)) |
|---|
| 228 | |
|---|
| 229 | def get_tracform_fieldinfo(self, src, field): |
|---|
| 230 | """Retrieve author and time of last change per field.""" |
|---|
| 231 | form_id = src if is_number(src) else self.get_tracform_meta(src)[0] |
|---|
| 232 | for row in self.env.db_query(""" |
|---|
| 233 | SELECT author, time FROM forms_fields |
|---|
| 234 | WHERE id=%s AND field=%s |
|---|
| 235 | """, (form_id, field)): |
|---|
| 236 | return row |
|---|
| 237 | return None, None |
|---|
| 238 | |
|---|
| 239 | def reset_tracform(self, src, field=None, author=None, step=0): |
|---|
| 240 | """Delete method for all TracForms db tables. |
|---|
| 241 | |
|---|
| 242 | Note, that we only delete recorded values and history here, while |
|---|
| 243 | the form definition (being part of forms parent resource) is retained. |
|---|
| 244 | Reset of single fields is not implemented, because this would require |
|---|
| 245 | cumbersome and error prown history rewriting - not worth the hassle. |
|---|
| 246 | """ |
|---|
| 247 | form_ids = [] |
|---|
| 248 | # identify form_id(s) to reset |
|---|
| 249 | if is_number(src): |
|---|
| 250 | form_ids.append(src) |
|---|
| 251 | elif isinstance(src, tuple) and len(src) == 3: |
|---|
| 252 | if src[-1] is None: |
|---|
| 253 | # no subcontext given, reset all forms of the parent resource |
|---|
| 254 | for form_id in self.get_tracform_ids(src[0], src[1]): |
|---|
| 255 | form_ids.append(form_id) |
|---|
| 256 | else: |
|---|
| 257 | form_ids.append(self.get_tracform_meta(src)[0]) |
|---|
| 258 | # restore of old values for multiple forms is not meaningful |
|---|
| 259 | if step == -1 and len(form_ids) == 1: |
|---|
| 260 | form_id = form_ids[0] |
|---|
| 261 | now = int(time.time()) |
|---|
| 262 | author, updated_on, old_state =\ |
|---|
| 263 | self.get_tracform_history(form_id)[0] or \ |
|---|
| 264 | (author, now, '{}') |
|---|
| 265 | if updated_on == now: |
|---|
| 266 | # no history recorded, so only form values can be reset |
|---|
| 267 | step = 0 |
|---|
| 268 | else: |
|---|
| 269 | with self.env.db_transaction as db: |
|---|
| 270 | # copy last old_state to current |
|---|
| 271 | db(""" |
|---|
| 272 | UPDATE forms SET author=%s, time=%s, state=%s |
|---|
| 273 | WHERE id=%s |
|---|
| 274 | """, (author, updated_on, old_state, form_id)) |
|---|
| 275 | history = [] |
|---|
| 276 | records = self.get_tracform_history(form_id) |
|---|
| 277 | for history_author, history_time, old_state in records: |
|---|
| 278 | history.append({'author': history_author, |
|---|
| 279 | 'time': history_time, |
|---|
| 280 | 'old_state': old_state}) |
|---|
| 281 | history = parse_history(history, fieldwise=True) |
|---|
| 282 | # delete restored history entry |
|---|
| 283 | db(""" |
|---|
| 284 | DELETE FROM forms_history |
|---|
| 285 | WHERE id=%s AND time=%s |
|---|
| 286 | """, (form_id, updated_on)) |
|---|
| 287 | # rollback field info changes |
|---|
| 288 | for field in history.keys(): |
|---|
| 289 | changes = history[field] |
|---|
| 290 | if len(changes) > 0: |
|---|
| 291 | # restore last field info, unconditional by |
|---|
| 292 | # intention i.e. to not create entries, if track_ |
|---|
| 293 | # fields is False |
|---|
| 294 | db(""" |
|---|
| 295 | UPDATE forms_fields |
|---|
| 296 | SET author=%s, time=%s |
|---|
| 297 | WHERE id=%s AND field=%s |
|---|
| 298 | """, (changes[0]['author'], |
|---|
| 299 | changes[0]['time'], |
|---|
| 300 | form_id, field)) |
|---|
| 301 | else: |
|---|
| 302 | # delete current field info |
|---|
| 303 | db(""" |
|---|
| 304 | DELETE FROM forms_fields |
|---|
| 305 | WHERE id=%s AND field=%s |
|---|
| 306 | """, (form_id, field)) |
|---|
| 307 | if step == 0: |
|---|
| 308 | with self.env.db_transaction as db: |
|---|
| 309 | # reset all fields and delete full history |
|---|
| 310 | for form_id in form_ids: |
|---|
| 311 | db("DELETE FROM forms_history WHERE id=%s", (form_id,)) |
|---|
| 312 | db("DELETE FROM forms_fields WHERE id=%s", (form_id,)) |
|---|
| 313 | # don't delete basic form reference but save the reset |
|---|
| 314 | # as a form change to prevent creation of a new form_id |
|---|
| 315 | # for further retention data |
|---|
| 316 | db(""" |
|---|
| 317 | UPDATE forms SET author=%s, time=%s, state=%s |
|---|
| 318 | WHERE id=%s |
|---|
| 319 | """, (author, int(time.time()), '{}', form_id)) |
|---|
| 320 | |
|---|
| 321 | def search_tracforms(self, terms): |
|---|
| 322 | """Backend method for TracForms ISearchSource implementation.""" |
|---|
| 323 | with self.env.db_query as db: |
|---|
| 324 | sql, args = search_to_sql(db, ['resource_id', 'subcontext', |
|---|
| 325 | 'author', 'state', |
|---|
| 326 | db.cast('id', 'text')], terms) |
|---|
| 327 | return self.env.db_query(""" |
|---|
| 328 | SELECT id,realm,resource_id,subcontext,state,author,time |
|---|
| 329 | FROM forms WHERE %s |
|---|
| 330 | """ % sql, args) |
|---|
| 331 | |
|---|
| 332 | def get_known_users(self): |
|---|
| 333 | # A reference is enough, as long as we ensure strictly read-only |
|---|
| 334 | # access and short lifetime of the reference. Change later, if needed. |
|---|
| 335 | # users = copy.deepcopy(self.known_users) |
|---|
| 336 | users = self.known_users |
|---|
| 337 | return users |
|---|
| 338 | |
|---|
| 339 | @cached |
|---|
| 340 | def known_users(self): |
|---|
| 341 | """Cached version of trac.env.get_known_users() for TracForms.""" |
|---|
| 342 | return [(username, name, email) |
|---|
| 343 | for username, name, email in self.env.db_query(""" |
|---|
| 344 | SELECT DISTINCT s.sid, n.value, e.value |
|---|
| 345 | FROM session AS s |
|---|
| 346 | LEFT JOIN session_attribute AS n |
|---|
| 347 | ON (n.sid=s.sid |
|---|
| 348 | AND n.authenticated=1 |
|---|
| 349 | AND n.name = 'name') |
|---|
| 350 | LEFT JOIN session_attribute AS e |
|---|
| 351 | ON (e.sid=s.sid |
|---|
| 352 | AND e.authenticated=1 |
|---|
| 353 | AND e.name = 'email') |
|---|
| 354 | WHERE s.authenticated=1 ORDER BY s.sid |
|---|
| 355 | """)] |
|---|
| 356 | |
|---|
| 357 | # TracForms schemas |
|---|
| 358 | # Hint: See older versions of this file for the original SQL statements. |
|---|
| 359 | # Most of them have been rewritten to imrove compatibility with Trac. |
|---|
| 360 | |
|---|
| 361 | # def dbschema_2008_06_14_0000(self, cursor): |
|---|
| 362 | # """This was a simple test for the schema base class.""" |
|---|
| 363 | |
|---|
| 364 | def db00(self, env, cursor): |
|---|
| 365 | """Create the major tables.""" |
|---|
| 366 | tables = [ |
|---|
| 367 | Table('tracform_forms', key='id')[ |
|---|
| 368 | Column('tracform_id', auto_increment=True), |
|---|
| 369 | Column('context'), |
|---|
| 370 | Column('state'), |
|---|
| 371 | Column('updater'), |
|---|
| 372 | Column('updated_on', type='int')], |
|---|
| 373 | Table('tracform_history')[ |
|---|
| 374 | Column('tracform_id', type='int'), |
|---|
| 375 | Column('updater'), |
|---|
| 376 | Column('updated_on', type='int'), |
|---|
| 377 | Column('old_states')] |
|---|
| 378 | ] |
|---|
| 379 | db_connector = DatabaseManager(env).get_connector()[0] |
|---|
| 380 | for table in tables: |
|---|
| 381 | for stmt in db_connector.to_sql(table): |
|---|
| 382 | cursor.execute(stmt) |
|---|
| 383 | |
|---|
| 384 | def db01(self, env, cursor): |
|---|
| 385 | """Create indices for tracform_forms table.""" |
|---|
| 386 | cursor.execute(""" |
|---|
| 387 | CREATE INDEX tracform_forms_context |
|---|
| 388 | ON tracform_forms(context) |
|---|
| 389 | """) |
|---|
| 390 | cursor.execute(""" |
|---|
| 391 | CREATE INDEX tracform_forms_updater |
|---|
| 392 | ON tracform_forms(updater) |
|---|
| 393 | """) |
|---|
| 394 | cursor.execute(""" |
|---|
| 395 | CREATE INDEX tracform_forms_updated_on |
|---|
| 396 | ON tracform_forms(updated_on) |
|---|
| 397 | """) |
|---|
| 398 | |
|---|
| 399 | def db02(self, env, cursor): |
|---|
| 400 | """This was a modify table, but instead removed the data altogether. |
|---|
| 401 | """ |
|---|
| 402 | |
|---|
| 403 | def db03(self, env, cursor): |
|---|
| 404 | """Create indices for tracform_history table.""" |
|---|
| 405 | cursor.execute(""" |
|---|
| 406 | CREATE INDEX tracform_history_tracform_id |
|---|
| 407 | ON tracform_history(tracform_id) |
|---|
| 408 | """) |
|---|
| 409 | # 'DESC' order removed for compatibility with PostgreSQL |
|---|
| 410 | cursor.execute(""" |
|---|
| 411 | CREATE INDEX tracform_history_updated_on |
|---|
| 412 | ON tracform_history(updated_on) |
|---|
| 413 | """) |
|---|
| 414 | cursor.execute(""" |
|---|
| 415 | CREATE INDEX tracform_history_updater |
|---|
| 416 | ON tracform_history(updater) |
|---|
| 417 | """) |
|---|
| 418 | |
|---|
| 419 | def db04(self, env, cursor): |
|---|
| 420 | """Recreating updated_on index for tracform_forms to be descending. |
|---|
| 421 | """ |
|---|
| 422 | # Providing compatibility for PostgreSQL this is now obsolete, |
|---|
| 423 | # removing misspelled index name creation SQL statement too. |
|---|
| 424 | |
|---|
| 425 | def db10(self, env, cursor): |
|---|
| 426 | """Also maintain whether history should be maintained for form.""" |
|---|
| 427 | cursor.execute(""" |
|---|
| 428 | ALTER TABLE tracform_forms |
|---|
| 429 | ADD keep_history INTEGER |
|---|
| 430 | """) |
|---|
| 431 | |
|---|
| 432 | def db11(self, env, cursor): |
|---|
| 433 | """Make the context a unique index.""" |
|---|
| 434 | if env.config.get('trac', 'database').startswith('mysql'): |
|---|
| 435 | cursor.execute(""" |
|---|
| 436 | ALTER TABLE tracform_forms DROP INDEX tracform_forms_context |
|---|
| 437 | """) |
|---|
| 438 | else: |
|---|
| 439 | cursor.execute(""" |
|---|
| 440 | DROP INDEX tracform_forms_context |
|---|
| 441 | """) |
|---|
| 442 | cursor.execute(""" |
|---|
| 443 | CREATE UNIQUE INDEX tracform_forms_context |
|---|
| 444 | ON tracform_forms(context) |
|---|
| 445 | """) |
|---|
| 446 | |
|---|
| 447 | def db12(self, env, cursor): |
|---|
| 448 | """Track who changes individual fields.""" |
|---|
| 449 | cursor.execute(""" |
|---|
| 450 | ALTER TABLE tracform_forms |
|---|
| 451 | ADD track_fields INTEGER |
|---|
| 452 | """) |
|---|
| 453 | table = Table('tracform_fields')[ |
|---|
| 454 | Column('tracform_id', type='int'), |
|---|
| 455 | Column('field'), |
|---|
| 456 | Column('updater'), |
|---|
| 457 | Column('updated_on', type='int'), |
|---|
| 458 | Index(['tracform_id', 'field'], unique=True) |
|---|
| 459 | ] |
|---|
| 460 | db_connector = DatabaseManager(env).get_connector()[0] |
|---|
| 461 | for stmt in db_connector.to_sql(table): |
|---|
| 462 | cursor.execute(stmt) |
|---|
| 463 | |
|---|
| 464 | def db13(self, env, cursor): |
|---|
| 465 | """Convert state serialization type to be more readable. |
|---|
| 466 | |
|---|
| 467 | Migrate to slicker named major tables and associated indexes too. |
|---|
| 468 | """ |
|---|
| 469 | table = Table('forms', key='id')[ |
|---|
| 470 | Column('id', auto_increment=True), |
|---|
| 471 | Column('context'), |
|---|
| 472 | Column('state'), |
|---|
| 473 | Column('author'), |
|---|
| 474 | Column('time', type='int'), |
|---|
| 475 | Column('keep_history', type='int'), |
|---|
| 476 | Column('track_fields', type='int'), |
|---|
| 477 | Index(['context'], unique=True), |
|---|
| 478 | Index(['author']), |
|---|
| 479 | Index(['time']) |
|---|
| 480 | ] |
|---|
| 481 | db_connector = DatabaseManager(env).get_connector()[0] |
|---|
| 482 | for stmt in db_connector.to_sql(table): |
|---|
| 483 | cursor.execute(stmt) |
|---|
| 484 | |
|---|
| 485 | forms_columns = ('tracform_id', 'context', 'state', 'updater', |
|---|
| 486 | 'updated_on', 'keep_history', 'track_fields') |
|---|
| 487 | forms_columns_new = ('id', 'context', 'state', 'author', |
|---|
| 488 | 'time', 'keep_history', 'track_fields') |
|---|
| 489 | |
|---|
| 490 | sql = 'SELECT ' + ', '.join(forms_columns) + ' FROM tracform_forms' |
|---|
| 491 | cursor.execute(sql) |
|---|
| 492 | forms = [] |
|---|
| 493 | for row in cursor: |
|---|
| 494 | row = dict(zip(forms_columns_new, row)) |
|---|
| 495 | forms.append(row) |
|---|
| 496 | |
|---|
| 497 | # convert current states serialization |
|---|
| 498 | for form in forms: |
|---|
| 499 | state_new = _url_to_json(form.get('state')) |
|---|
| 500 | if state_new == '{}': |
|---|
| 501 | form['state'] = form.get('state') |
|---|
| 502 | else: |
|---|
| 503 | form['state'] = state_new |
|---|
| 504 | |
|---|
| 505 | for form in forms: |
|---|
| 506 | fields = form.keys() |
|---|
| 507 | values = form.values() |
|---|
| 508 | sql = "INSERT INTO forms (" + ", ".join(fields) + \ |
|---|
| 509 | ") VALUES (" + ", ".join( |
|---|
| 510 | ["%s" for I in xrange(len(fields))]) \ |
|---|
| 511 | + ")" |
|---|
| 512 | cursor.execute(sql, values) |
|---|
| 513 | |
|---|
| 514 | cursor.execute(""" |
|---|
| 515 | DROP TABLE tracform_forms |
|---|
| 516 | """) |
|---|
| 517 | # migrate history table |
|---|
| 518 | if env.config.get('trac', 'database').startswith('postgres'): |
|---|
| 519 | cursor.execute(""" |
|---|
| 520 | CREATE TABLE forms_history |
|---|
| 521 | AS SELECT |
|---|
| 522 | tracform_id AS id, updated_on AS time, |
|---|
| 523 | updater AS author, old_states AS old_state |
|---|
| 524 | FROM tracform_history |
|---|
| 525 | """) |
|---|
| 526 | else: |
|---|
| 527 | cursor.execute(""" |
|---|
| 528 | CREATE TABLE forms_history |
|---|
| 529 | AS SELECT |
|---|
| 530 | tracform_id 'id', updated_on 'time', |
|---|
| 531 | updater 'author', old_states 'old_state' |
|---|
| 532 | FROM tracform_history |
|---|
| 533 | """) |
|---|
| 534 | |
|---|
| 535 | sql = 'SELECT id,time,old_state FROM forms_history' |
|---|
| 536 | cursor.execute(sql) |
|---|
| 537 | history = [] |
|---|
| 538 | for row in cursor: |
|---|
| 539 | row = dict(zip(('id', 'time', 'old_state'), row)) |
|---|
| 540 | history.append(row) |
|---|
| 541 | |
|---|
| 542 | # convert historic states serialization |
|---|
| 543 | for row in history: |
|---|
| 544 | old_state_new = _url_to_json(row.get('old_state')) |
|---|
| 545 | if old_state_new == '{}': |
|---|
| 546 | row['old_state'] = row.get('old_state') |
|---|
| 547 | else: |
|---|
| 548 | row['old_state'] = old_state_new |
|---|
| 549 | |
|---|
| 550 | for row in history: |
|---|
| 551 | sql = "UPDATE forms_history SET old_state=%s " + \ |
|---|
| 552 | "WHERE id=%s AND time=%s" |
|---|
| 553 | cursor.execute(sql, (row['old_state'], row['id'], row['time'])) |
|---|
| 554 | |
|---|
| 555 | cursor.execute(""" |
|---|
| 556 | CREATE INDEX forms_history_id_idx |
|---|
| 557 | ON forms_history(id) |
|---|
| 558 | """) |
|---|
| 559 | # 'DESC' order removed for compatibility with PostgreSQL |
|---|
| 560 | cursor.execute(""" |
|---|
| 561 | CREATE INDEX forms_history_time_idx |
|---|
| 562 | ON forms_history(time) |
|---|
| 563 | """) |
|---|
| 564 | cursor.execute(""" |
|---|
| 565 | CREATE INDEX forms_history_author_idx |
|---|
| 566 | ON forms_history(author) |
|---|
| 567 | """) |
|---|
| 568 | cursor.execute(""" |
|---|
| 569 | DROP TABLE tracform_history |
|---|
| 570 | """) |
|---|
| 571 | # migrate fields table |
|---|
| 572 | if env.config.get('trac', 'database').startswith('postgres'): |
|---|
| 573 | cursor.execute(""" |
|---|
| 574 | CREATE TABLE forms_fields |
|---|
| 575 | AS SELECT |
|---|
| 576 | tracform_id AS id, field, |
|---|
| 577 | updater AS author, updated_on AS time |
|---|
| 578 | FROM tracform_fields |
|---|
| 579 | """) |
|---|
| 580 | else: |
|---|
| 581 | cursor.execute(""" |
|---|
| 582 | CREATE TABLE forms_fields |
|---|
| 583 | AS SELECT |
|---|
| 584 | tracform_id 'id', field, |
|---|
| 585 | updater 'author', updated_on 'time' |
|---|
| 586 | FROM tracform_fields |
|---|
| 587 | """) |
|---|
| 588 | cursor.execute(""" |
|---|
| 589 | CREATE UNIQUE INDEX forms_fields_id_field_idx |
|---|
| 590 | ON forms_fields(id, field) |
|---|
| 591 | """) |
|---|
| 592 | cursor.execute(""" |
|---|
| 593 | DROP TABLE tracform_fields |
|---|
| 594 | """) |
|---|
| 595 | # remove old TracForms version entry |
|---|
| 596 | cursor.execute(""" |
|---|
| 597 | DELETE FROM system WHERE name='TracFormDBComponent:version'; |
|---|
| 598 | """) |
|---|
| 599 | |
|---|
| 600 | def db14(self, env, cursor): |
|---|
| 601 | """Split context into proper Trac resource descriptors.""" |
|---|
| 602 | cursor.execute(""" |
|---|
| 603 | CREATE TABLE forms_old |
|---|
| 604 | AS SELECT * |
|---|
| 605 | FROM forms |
|---|
| 606 | """) |
|---|
| 607 | cursor.execute(""" |
|---|
| 608 | DROP TABLE forms |
|---|
| 609 | """) |
|---|
| 610 | table = Table('forms', key='id')[ |
|---|
| 611 | Column('id', auto_increment=True), |
|---|
| 612 | Column('realm'), |
|---|
| 613 | Column('resource_id'), |
|---|
| 614 | Column('subcontext'), |
|---|
| 615 | Column('state'), |
|---|
| 616 | Column('author'), |
|---|
| 617 | Column('time', type='int'), |
|---|
| 618 | Column('keep_history', type='int'), |
|---|
| 619 | Column('track_fields', type='int'), |
|---|
| 620 | Index(['realm', 'resource_id', 'subcontext'], unique=True), |
|---|
| 621 | Index(['author']), |
|---|
| 622 | Index(['time']) |
|---|
| 623 | ] |
|---|
| 624 | db_connector = DatabaseManager(env).get_connector()[0] |
|---|
| 625 | for stmt in db_connector.to_sql(table): |
|---|
| 626 | cursor.execute(stmt) |
|---|
| 627 | |
|---|
| 628 | forms_columns = ('id', 'context', 'state', 'author', |
|---|
| 629 | 'time', 'keep_history', 'track_fields') |
|---|
| 630 | |
|---|
| 631 | sql = 'SELECT ' + ', '.join(forms_columns) + ' FROM forms_old' |
|---|
| 632 | cursor.execute(sql) |
|---|
| 633 | forms = [] |
|---|
| 634 | for row in cursor: |
|---|
| 635 | row = dict(zip(forms_columns, row)) |
|---|
| 636 | # extract realm, resource_id and subcontext from context |
|---|
| 637 | row['realm'], row['resource_id'], row['subcontext'] = \ |
|---|
| 638 | _context_to_resource(self.env, row.pop('context')) |
|---|
| 639 | forms.append(row) |
|---|
| 640 | |
|---|
| 641 | for form in forms: |
|---|
| 642 | fields = form.keys() |
|---|
| 643 | values = form.values() |
|---|
| 644 | sql = "INSERT INTO forms (" + ", ".join(fields) + \ |
|---|
| 645 | ") VALUES (" + ", ".join( |
|---|
| 646 | ["%s" for I in xrange(len(fields))]) \ |
|---|
| 647 | + ")" |
|---|
| 648 | cursor.execute(sql, values) |
|---|
| 649 | |
|---|
| 650 | cursor.execute(""" |
|---|
| 651 | DROP TABLE forms_old |
|---|
| 652 | """) |
|---|
| 653 | |
|---|
| 654 | |
|---|
| 655 | def format_author(env, req, author=None, position='macro'): |
|---|
| 656 | """Return user properties. |
|---|
| 657 | |
|---|
| 658 | This is a private method optionally using CacheManager (since Trac 0.12) |
|---|
| 659 | to reduce costly access to env.get_known_users() . |
|---|
| 660 | """ |
|---|
| 661 | formdb = FormDBComponent(env) |
|---|
| 662 | if formdb.show_fullname is True and position in formdb.show_fullname_pos: |
|---|
| 663 | for username, name, email in formdb.get_known_users(): |
|---|
| 664 | if author == username and name: |
|---|
| 665 | author = name |
|---|
| 666 | return Chrome(env).format_author(req, author) |
|---|
| 667 | |
|---|
| 668 | |
|---|
| 669 | def _url_to_json(state_url): |
|---|
| 670 | """Convert urlencoded state serial to JSON state serial.""" |
|---|
| 671 | state = urlparse.parse_qs(state_url) |
|---|
| 672 | for name, value in state.iteritems(): |
|---|
| 673 | if isinstance(value, (list, tuple)): |
|---|
| 674 | for item in value: |
|---|
| 675 | state[name] = xml_unescape(item) |
|---|
| 676 | else: |
|---|
| 677 | state[name] = xml_unescape(value) |
|---|
| 678 | return json.dumps(state, separators=(',', ':')) |
|---|
| 679 | |
|---|
| 680 | |
|---|
| 681 | def _context_to_resource(env, context): |
|---|
| 682 | """Find parent realm and resource_id and optional TracForms subcontext. |
|---|
| 683 | |
|---|
| 684 | Some guesswork is knowingly involved here to finally overcome previous |
|---|
| 685 | potentially ambiguous contexts by distinct resource parameters. |
|---|
| 686 | """ |
|---|
| 687 | realm, resource_path = resource_from_page(env, context) |
|---|
| 688 | subcontext = None |
|---|
| 689 | if resource_path is not None: |
|---|
| 690 | # ambiguous: ':' could be part of resource_id or subcontext or |
|---|
| 691 | # the start of subcontext |
|---|
| 692 | segments = re.split(':', resource_path) |
|---|
| 693 | id = '' |
|---|
| 694 | resource_id = None |
|---|
| 695 | while len(segments) > 0: |
|---|
| 696 | id += segments.pop(0) |
|---|
| 697 | # guess: shortest valid resource_id is parent, |
|---|
| 698 | # the rest is a TracForms subcontext |
|---|
| 699 | if resource_exists(env, Resource(realm, id)): |
|---|
| 700 | resource_id = id |
|---|
| 701 | subcontext = ':'.join(segments) |
|---|
| 702 | break |
|---|
| 703 | id += ':' |
|---|
| 704 | # valid resource_id in context NOT FOUND |
|---|
| 705 | if resource_id is None: |
|---|
| 706 | resource_id = resource_path |
|---|
| 707 | else: |
|---|
| 708 | # realm in context NOT FOUND |
|---|
| 709 | resource_id = context |
|---|
| 710 | realm = '' |
|---|
| 711 | return realm, resource_id, subcontext |
|---|