| 268 | raise web.seeother(web.changequery(m=None)) |
| 269 | |
| 270 | def POST(self, key): |
| 271 | i = web.input("v", _comment=None) |
| 272 | v = i.v and safeint(i.v, None) |
| 273 | |
| 274 | if v is None: |
| 275 | raise web.seeother(web.changequery({})) |
| 276 | |
| 277 | if not web.ctx.site.can_write(key) or not user_can_revert_records(): |
| 278 | return render.permission_denied(web.ctx.fullpath, "Permission denied to edit " + key + ".") |
| 279 | |
| 280 | thing = web.ctx.site.get(key, i.v) |
| 281 | |
| 282 | if not thing: |
| 283 | raise web.notfound() |
| 284 | |
| 285 | def revert(thing): |
| 286 | if thing.type.key == "/type/delete" and thing.revision > 1: |
| 287 | prev = web.ctx.site.get(thing.key, thing.revision - 1) |
| 288 | if prev.type.key in ["/type/delete", "/type/redirect"]: |
| 289 | return revert(prev) |
| 290 | else: |
| 291 | prev._save("revert to revision %d" % prev.revision, action="revert-version") |
| 292 | return prev |
| 293 | elif thing.type.key == "/type/redirect": |
| 294 | redirect = web.ctx.site.get(thing.location) |
| 295 | if redirect and redirect.type.key not in [ |
| 296 | "/type/delete", |
| 297 | "/type/redirect", |
| 298 | ]: |
| 299 | return redirect |
| 300 | else: |
| 301 | # bad redirect. Try the previous revision |
| 302 | prev = web.ctx.site.get(thing.key, thing.revision - 1) |
| 303 | return revert(prev) |
| 304 | else: |
| 305 | return thing |
| 306 | |
| 307 | def process(value): |
| 308 | if isinstance(value, list): |
| 309 | return [process(v) for v in value] |
| 310 | elif isinstance(value, client.Thing): |
| 311 | if value.key: |
| 312 | if value.type.key in ["/type/delete", "/type/revert"]: |
| 313 | return revert(value) |
| 314 | else: |
| 315 | return value |
| 316 | else: |
| 317 | for k in value: |
| 318 | value[k] = process(value[k]) |
| 319 | return value |
| 320 | else: |
| 321 | return value |
| 322 | |
| 323 | for k in thing: |
| 324 | thing[k] = process(thing[k]) |
| 325 | |
| 326 | comment = i._comment or "reverted to revision %d" % v |
| 327 | thing._save(comment, action="revert-version") |