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| 1 # Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is govered by a BSD-style |
| 3 # license that can be found in the LICENSE file or at |
| 4 # https://developers.google.com/open-source/licenses/bsd |
| 5 |
| 6 """Classes that implement the advanced search feature page. |
| 7 |
| 8 The advanced search page simply displays an HTML page with a form. |
| 9 The form handler converts the widget-based query into a googley query |
| 10 string and redirects the user to the issue list servlet. |
| 11 """ |
| 12 |
| 13 import logging |
| 14 import re |
| 15 |
| 16 from framework import framework_helpers |
| 17 from framework import permissions |
| 18 from framework import servlet |
| 19 from framework import urls |
| 20 |
| 21 # Patterns for search values that can be words, labels, |
| 22 # component paths, or email addresses. |
| 23 VALUE_RE = re.compile(r'[-a-zA-Z0-9._>@]+') |
| 24 |
| 25 |
| 26 class IssueAdvancedSearch(servlet.Servlet): |
| 27 """IssueAdvancedSearch shows a form to enter an advanced search.""" |
| 28 |
| 29 _PAGE_TEMPLATE = 'tracker/issue-advsearch-page.ezt' |
| 30 _MAIN_TAB_MODE = servlet.Servlet.MAIN_TAB_ISSUES |
| 31 |
| 32 # This form *only* redirects to a GET request, and permissions are checked |
| 33 # in that handler. |
| 34 CHECK_SECURITY_TOKEN = False |
| 35 |
| 36 def GatherPageData(self, mr): |
| 37 """Build up a dictionary of data values to use when rendering the page. |
| 38 |
| 39 Args: |
| 40 mr: commonly used info parsed from the request. |
| 41 |
| 42 Returns: |
| 43 Dict of values used by EZT for rendering the page. |
| 44 """ |
| 45 |
| 46 # TODO(jrobbins): Allow deep-linking into this page. |
| 47 |
| 48 return { |
| 49 'issue_tab_mode': 'issueAdvSearch', |
| 50 'page_perms': self.MakePagePerms(mr, None, permissions.CREATE_ISSUE), |
| 51 } |
| 52 |
| 53 def ProcessFormData(self, mr, post_data): |
| 54 """Process a posted advanced query form. |
| 55 |
| 56 Args: |
| 57 mr: commonly used info parsed from the request. |
| 58 post_data: HTML form data from the request. |
| 59 |
| 60 Returns: |
| 61 String URL to redirect the user to after processing. |
| 62 """ |
| 63 # Default to searching open issues in this project. |
| 64 can = post_data.get('can', 2) |
| 65 |
| 66 terms = [] |
| 67 self._AccumulateANDTerm('', 'words', post_data, terms) |
| 68 self._AccumulateANDTerm('-', 'without', post_data, terms) |
| 69 self._AccumulateANDTerm('label:', 'labels', post_data, terms) |
| 70 self._AccumulateORTerm('component:', 'components', post_data, terms) |
| 71 self._AccumulateORTerm('status:', 'statuses', post_data, terms) |
| 72 self._AccumulateORTerm('reporter:', 'reporters', post_data, terms) |
| 73 self._AccumulateORTerm('owner:', 'owners', post_data, terms) |
| 74 self._AccumulateORTerm('cc:', 'cc', post_data, terms) |
| 75 self._AccumulateORTerm('commentby:', 'commentby', post_data, terms) |
| 76 |
| 77 if 'starcount' in post_data: |
| 78 starcount = int(post_data['starcount']) |
| 79 if starcount >= 0: |
| 80 terms.append('starcount:%s' % starcount) |
| 81 |
| 82 return framework_helpers.FormatAbsoluteURL( |
| 83 mr, urls.ISSUE_LIST, q=' '.join(terms), can=can) |
| 84 |
| 85 def _AccumulateANDTerm(self, operator, form_field, post_data, search_query): |
| 86 """Build a query that matches issues with ALL of the given field values.""" |
| 87 user_input = post_data.get(form_field) |
| 88 if user_input: |
| 89 values = VALUE_RE.findall(user_input) |
| 90 search_terms = ['%s%s' % (operator, v) for v in values] |
| 91 search_query.extend(search_terms) |
| 92 |
| 93 def _AccumulateORTerm(self, operator, form_field, post_data, search_query): |
| 94 """Build a query that matches issues with ANY of the given field values.""" |
| 95 user_input = post_data.get(form_field) |
| 96 if user_input: |
| 97 values = VALUE_RE.findall(user_input) |
| 98 search_term = '%s%s' % (operator, ','.join(values)) |
| 99 search_query.append(search_term) |
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