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https://gitlab2.federez.net/re2o/re2o
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Create Query class
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parent
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commit
e36a7c7f1f
1 changed files with 61 additions and 38 deletions
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@ -51,6 +51,25 @@ from re2o.base import SortTable, re2o_paginator
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from re2o.acl import can_view_all
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class Query:
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def __init__(self, text=""):
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self.text = text # Content of the query
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self.operator = None # Whether a special char (ex "+") was used
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self.subqueries = None # When splitting the query in subparts (ex when using "+")
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def add_char(self, char):
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self.text += char
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def add_operator(self, operator):
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self.operator = operator
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if self.subqueries is None:
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self.subqueries = []
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self.subqueries.append(Query(self.text))
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self.text = ""
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def is_int(variable):
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""" Check if the variable can be casted to an integer """
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@ -69,7 +88,7 @@ def filter_fields():
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def empty_filters():
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"""Build empty filters used by Django"""
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filters = [Q() for f in filter_fields()]
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return {f: Q() for f in filter_fields()}
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def finish_results(request, results, col, order):
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@ -77,10 +96,12 @@ def finish_results(request, results, col, order):
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number of max results. Finally add the info of the nmax number of results
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to the dict"""
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results["users"] += results["clubs"]
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results["users"] = SortTable.sort(
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results["users"], col, order, SortTable.USERS_INDEX
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)
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results["clubs"] = SortTable.sort(
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results["clubs"], col, order, SortTable.USERS_INDEX
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)
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results["machines"] = SortTable.sort(
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results["machines"], col, order, SortTable.MACHINES_INDEX
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)
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@ -129,6 +150,8 @@ def search_single_word(word, filters, user, start, end, user_state, aff):
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| Q(room__name__icontains=word)
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| Q(email__icontains=word)
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| Q(telephone__icontains=word)
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| Q(room__name__icontains=word)
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| Q(room__building__name__icontains=word)
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)
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filter_users = (filter_clubs | Q(name__icontains=word))
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@ -213,8 +236,9 @@ def search_single_word(word, filters, user, start, end, user_state, aff):
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# Rooms
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if "5" in aff and Room.can_view_all(user):
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filter_rooms = (
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Q(details__icontains=word) | Q(name__icontains=word) | Q(port__details=word)
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Q(details__icontains=word) | Q(name__icontains=word) | Q(port__details=word) | Q(building__name__icontains=building)
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)
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filter_rooms |= (Q(name__icontains=room) & Q(building__name__icontains=building))
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filters["rooms"] |= filter_rooms
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@ -307,22 +331,25 @@ def apply_filters(filters, user, aff):
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def search_single_query(query, filters, user, start, end, user_state, aff):
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""" Handle different queries an construct the correct filters using
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search_single_word"""
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if query["operator"] == "+":
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if query.operator == "+":
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# Special queries with "+" operators should use & rather than |
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for q in query["subqueries"]:
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newfilters = empty_filters()
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for q in query.subqueries:
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# Construct an independent filter for each subquery
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subfilters = empty_filters()
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subfilters = search_single_word(q, subfilters, user, start, end, user_state, aff)
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subfilters = search_single_query(q, empty_filters(), user, start, end, user_state, aff)
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# Apply the new filter
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# Apply the subfilter
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for field in filter_fields():
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filters[field] &= subfilters[field]
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newfilters[field] &= subfilters[field]
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# Add these filters to the existing ones
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for field in filter_fields():
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filters[field] |= newfilters[field]
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return filters
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# Handle standard queries
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q = query["text"]
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return search_single_word(q, filters, user, start, end, user_state, aff)
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return search_single_word(query.text, filters, user, start, end, user_state, aff)
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def create_queries(query):
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@ -338,12 +365,6 @@ def create_queries(query):
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"""
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# A dict representing the different queries extracted from the user's text
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queries = []
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# Format: {
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# "text": "", # Content of the query
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# "operator": None, # Whether a special char ("+") was used
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# "subqueries": None # When splitting the query in subparts (ex when using "+")
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# }
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current_query = None
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# Whether the query is between "
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@ -355,12 +376,12 @@ def create_queries(query):
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for char in query:
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if current_query is None:
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# We are starting a new word
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current_query = { "text": "", "operator": None, "subqueries": None }
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current_query = Query()
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if escaping_char:
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# The last char war a \ so we escape this char
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escaping_char = False
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current_query["text"] += char
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current_query.add_char(char)
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continue
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if char == "\\":
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@ -375,36 +396,28 @@ def create_queries(query):
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if keep_intact:
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# If we are between two ", ignore separators
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current_query["text"] += char
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current_query.add_char(char)
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continue
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if char == "+":
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# Can't sart a query with a "+", consider it escaped
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if len(current_query["text"]) == 0:
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current_query["text"] = char
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if len(current_query.text) == 0:
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# Can't sart a query with a "+", consider it escaped
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current_query.add_char(char)
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continue
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# Build a slightly more complicate data structure
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# This is need for queries like '"A B"+C'
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if current_query["operator"] is None:
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current_query["operator"] = "+"
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current_query["subqueries"] = []
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current_query["subqueries"].append(current_query["text"])
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current_query["text"] = ""
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current_query.add_operator("+")
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continue
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if char == " " or char == ",":
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# If we encouter a separator outside of ", we create a new word
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if len(current_query["text"]) == 0:
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if len(current_query.text) == 0:
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# Discard empty queries
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continue
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if current_query["operator"] is not None:
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if current_query.operator is not None:
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# If we were building a special structure, finish building it
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current_query["subqueries"].append(current_query["text"])
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current_query["text"] = ""
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current_query.add_operator(current_query.operator)
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# Save the query and start a new one
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queries.append(current_query)
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@ -412,7 +425,17 @@ def create_queries(query):
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continue
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# If we haven't encountered any special case, add the char to the word
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current_query["text"].append(char)
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current_query.add_char(char)
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# Save the current working query if necessary
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if current_query is not None:
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if current_query.operator is not None:
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# There was an operator supposed to split multiple words
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if len(current_query.text) > 0:
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# Finish the current search
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current_query.add_operator(current_query.operator)
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queries.append(current_query)
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return queries
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@ -431,9 +454,9 @@ def get_results(query, request, params):
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filters = empty_filters()
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queries = create_queries(query)
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for query in queries:
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for q in queries:
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filters = search_single_query(
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query, filters, request.user, start, end, user_state, aff
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q, filters, request.user, start, end, user_state, aff
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)
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results = apply_filters(filters, request.user, aff)
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