store contents in index for highlighting fragments

diff --git a/apps/search/index.py b/apps/search/index.py
index 53812cb..36f4247 100644 (file)
--- a/apps/search/index.py
+++ b/apps/search/index.py
@@ -8,7 +8,7 @@ from lucene import SimpleFSDirectory, IndexWriter, File, Field, \
     BlockJoinQuery, BlockJoinCollector, TermsFilter, \
     HashSet, BooleanClause, Term, CharTermAttribute, \
     PhraseQuery, StringReader, TermQuery, BlockJoinQuery, \
-    Sort
+    Sort, Integer
     # KeywordAnalyzer
 import sys
 import os
@@ -104,7 +104,7 @@ class Index(IndexStore):
         'wywiad'
         ]
 
-    skip_header_tags = ['autor_utworu', 'nazwa_utworu']
+    skip_header_tags = ['autor_utworu', 'nazwa_utworu', 'dzielo_nadrzedne']
 
     def create_book_doc(self, book):
         """
@@ -179,7 +179,7 @@ class Index(IndexStore):
             doc.add(NumericField("header_index", Field.Store.YES, True).setIntValue(position))
             doc.add(Field("header_type", header.tag, Field.Store.YES, Field.Index.NOT_ANALYZED))
             content = u' '.join([t for t in header.itertext()])
-            doc.add(Field("content", content, Field.Store.NO, Field.Index.ANALYZED))
+            doc.add(Field("content", content, Field.Store.YES, Field.Index.ANALYZED))
             header_docs.append(doc)
 
         def walker(node):
@@ -222,7 +222,7 @@ class Index(IndexStore):
                               Field.Store.YES, Field.Index.NOT_ANALYZED))
                 doc.add(Field("content",
                               u' '.join(filter(lambda s: s is not None, frag['content'])),
-                              Field.Store.NO, Field.Index.ANALYZED))
+                              Field.Store.YES, Field.Index.ANALYZED))
                 doc.add(Field("themes",
                               u' '.join(filter(lambda s: s is not None, frag['themes'])),
                               Field.Store.NO, Field.Index.ANALYZED))
@@ -373,7 +373,7 @@ class Search(IndexStore):
 class MultiSearch(Search):
     """Class capable of IMDb-like searching"""
     def get_tokens(self, queryreader):
-        if isinstance(queryreader, str):
+        if isinstance(queryreader, str) or isinstance(queryreader, unicode):
             queryreader = StringReader(queryreader)
         queryreader.reset()
         tokens = self.analyzer.reusableTokenStream('content', queryreader)
@@ -383,29 +383,78 @@ class MultiSearch(Search):
             toks.append(cta.toString())
         return toks
 
-    def make_phrase(self, tokens, field='content', joined=False, slop=2):
+    def make_phrase(self, tokens, field='content', slop=2):
         phrase = PhraseQuery()
         phrase.setSlop(slop)
         for t in tokens:
             term = Term(field, t)
             phrase.add(term)
-        if joined:
-            phrase = self.content_query(phrase)
         return phrase
 
-    def make_term_query(self, tokens, field='content', modal=BooleanClause.Occur.SHOULD, joined=False):
+    def make_term_query(self, tokens, field='content', modal=BooleanClause.Occur.SHOULD):
         q = BooleanQuery()
         for t in tokens:
             term = Term(field, t)
             q.add(BooleanClause(TermQuery(term), modal))
-        if joined:
-            q = self.content_query(q)
         return q
 
     def content_query(self, query):
         return BlockJoinQuery(query, self.parent_filter,
                               BlockJoinQuery.ScoreMode.Total)
 
+    def search_perfect(self, tokens, max_results=20):
+        qrys = [self.make_phrase(tokens, field=fld) for fld in ['author', 'title', 'content']]
+
+        books = []
+        for q in qrys:
+            top = self.searcher.search(q, max_results)
+            for found in top.scoreDocs:
+                book_info = self.searcher.doc(found.doc)
+                books.append((found.score, catalogue.models.Book.objects.get(id=book_info.get("book_id")), []))
+        return books
+
+    def search_everywhere(self, tokens, max_results=20):
+        q = BooleanQuery()
+        in_meta = BooleanQuery()
+        in_content = BooleanQuery()
+
+        for fld in ['themes', 'content']:
+            in_content.add(BooleanClause(self.make_term_query(tokens, field=fld), BooleanClause.Occur.SHOULD))
+
+        for fld in ['author', 'title', 'epochs', 'genres', 'kinds']:
+            in_meta.add(BooleanClause(self.make_term_query(tokens, field=fld), BooleanClause.Occur.SHOULD))
+
+        q.add(BooleanClause(in_meta, BooleanClause.Occur.MUST))
+        in_content_join = self.content_query(in_content)
+        q.add(BooleanClause(in_content_join, BooleanClause.Occur.MUST))
+
+        collector = BlockJoinCollector(Sort.RELEVANCE, 100, True, True)
+
+        self.searcher.search(q, collector)
+
+        books = []
+
+        top_groups = collector.getTopGroups(in_content_join, Sort.RELEVANCE, 0, max_results, 0, True)
+        if top_groups:
+            for grp in top_groups.groups:
+                doc_id = Integer.cast_(grp.groupValue).intValue()
+                book_data = self.searcher.doc(doc_id)
+                book = catalogue.models.Book.objects.get(id=book_data.get("book_id"))
+                parts = []
+                for part in grp.scoreDocs:
+                    part_data = self.searcher.doc(part.doc)
+                    header_type = part_data.get("header_type")
+                    if header_type:
+                        parts.append((part.score, {"header": header_type, "position": int(part_data.get("header_index"))}))
+                    fragment = part_data.get("fragment_anchor")
+                    if fragment:
+                        fragment = book.fragments.get(anchor=fragment)
+                        parts.append((part.score, {"fragment": fragment}))
+                books.append((grp.maxScore, book, parts))
+                
+        return books
+
+
     def multisearch(self, query, max_results=50):
         """
         Search strategy:
@@ -417,48 +466,35 @@ class MultiSearch(Search):
                       -> tags
                       -> content
         """
-        queryreader = StringReader(query)
-        tokens = self.get_tokens(queryreader)
-
-        top_level = BooleanQuery()
-        Should = BooleanClause.Occur.SHOULD
+        # queryreader = StringReader(query)
+        # tokens = self.get_tokens(queryreader)
 
-        phrase_level = BooleanQuery()
-        phrase_level.setBoost(1.3)
+        # top_level = BooleanQuery()
+        # Should = BooleanClause.Occur.SHOULD
 
-        p_content = self.make_phrase(tokens, joined=True)
-        p_title = self.makxe_phrase(tokens, 'title')
-        p_author = self.make_phrase(tokens, 'author')
+        # phrase_level = BooleanQuery()
+        # phrase_level.setBoost(1.3)
 
-        phrase_level.add(BooleanClause(p_content, Should))
-        phrase_level.add(BooleanClause(p_title, Should))
-        phrase_level.add(BooleanClause(p_author, Should))
+        # p_content = self.make_phrase(tokens, joined=True)
+        # p_title = self.make_phrase(tokens, 'title')
+        # p_author = self.make_phrase(tokens, 'author')
 
-        kw_level = BooleanQuery()
+        # phrase_level.add(BooleanClause(p_content, Should))
+        # phrase_level.add(BooleanClause(p_title, Should))
+        # phrase_level.add(BooleanClause(p_author, Should))
 
-        kw_level.add(self.make_term_query(tokens, 'author'), Should)
-        j_themes = self.make_term_query(tokens, 'themes', joined=True)
-        kw_level.add(j_themes, Should)
-        kw_level.add(self.make_term_query(tokens, 'tags'), Should)
-        j_con = self.make_term_query(tokens, joined=True)
-        kw_level.add(j_con, Should)
+        # kw_level = BooleanQuery()
 
-        top_level.add(BooleanClause(phrase_level, Should))
-        top_level.add(BooleanClause(kw_level, Should))
+        # kw_level.add(self.make_term_query(tokens, 'author'), Should)
+        # j_themes = self.make_term_query(tokens, 'themes', joined=True)
+        # kw_level.add(j_themes, Should)
+        # kw_level.add(self.make_term_query(tokens, 'tags'), Should)
+        # j_con = self.make_term_query(tokens, joined=True)
+        # kw_level.add(j_con, Should)
 
-        collector = BlockJoinCollector(Sort.RELEVANCE, 100, True, True)
-
-        self.searcher.search(kw_level, collector)
+        # top_level.add(BooleanClause(phrase_level, Should))
+        # top_level.add(BooleanClause(kw_level, Should))
 
-        # frazy w treści:
-        # ph1 = collector.getTopGroups(j_themes, Sort.RELEVANCE,
-        #                                        0, 10, 0, True)
-        #  reload(search.index); realod(search); s = search.MultiSearch(); s.multisearch(u'dusiołek')       
-        #        ph2 = collector.getTopGroups(j_con, Sort.RELEVANCE,
-        #                                     0, 10, 0, True)
-
-        import pdb; pdb.set_trace();
-        
         return None
 
     

diff --git a/apps/search/urls.py b/apps/search/urls.py
new file mode 100644 (file)
index 0000000..f93d65e
--- /dev/null
+++ b/apps/search/urls.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from django.conf.urls.defaults import *
+
+urlpatterns = patterns('search.views',
+    url(r'^$', 'main', name='newsearch'),
+)
+

diff --git a/apps/search/views.py b/apps/search/views.py
new file mode 100644 (file)
index 0000000..5ed6107
--- /dev/null
+++ b/apps/search/views.py
@@ -0,0 +1,27 @@
+
+
+from django.shortcuts import render_to_response, get_object_or_404
+from django.template import RequestContext
+from django.contrib.auth.decorators import login_required
+from django.views.decorators import cache
+
+from catalogue.utils import get_random_hash
+from catalogue.models import Book, Tag
+from catalogue import forms
+from search import MultiSearch, JVM
+
+
+def main(request):
+    results = {}
+    JVM.attachCurrentThread()  # where to put this?
+    srch = MultiSearch()
+
+    results = None
+    if 'q' in request.GET:
+        toks = srch.get_tokens(request.GET['q'])
+        results = srch.search_perfect(toks) + srch.search_everywhere(toks)
+        results.sort(lambda a, b: cmp(a[0], b[0]) < 0)
+        print("searched, results are: %s\n" % results)
+
+    return render_to_response('newsearch/search.html', {"results": results},
+                              context_instance=RequestContext(request))

diff --git a/wolnelektury/templates/newsearch/search.html b/wolnelektury/templates/newsearch/search.html
new file mode 100644 (file)
index 0000000..e018b21
--- /dev/null
+++ b/wolnelektury/templates/newsearch/search.html
@@ -0,0 +1,45 @@
+{% extends "base.html" %}
+{% load i18n %}
+{% load catalogue_tags %}
+
+{% block title %}Leśmianator w WolneLektury.pl{% endblock %}
+
+{% block metadescription %}Stwórz własny wierszmiks z utworów znajdujących się na Wolnych Lekturach.{% endblock %}
+
+{% block bodyid %}lesmianator{% endblock %}
+
+{% block body %}
+    <h1>Search</h1>
+    <form action="{% url newsearch %}" method="get" accept-charset="utf-8" id="search-form-x">
+        <p>
+         <input type="text" name="q" style="width:250px; font-size: 1.2em;">
+         <input type="submit" value="{% trans "Search" %}" /> 
+       </p>
+    </form>
+
+    <div id="results">
+      <ol>
+      {% for score,book,parts in results %}
+      <li>
+       <p>{{book.author}} - {{book.title}} (id: {{book.id}}, score: {{score}})</p>
+       <ul>
+         {% for score,part in parts %}
+         {% if part.header %}
+         <li>W {{part.header}} nr {{part.position}}</li>
+         {% else %} 
+         {% if part.fragment %}
+         <li>
+           <div style="font-weight: bold;">{% for tag in part.fragment.tags %}{{tag.name}} {% endfor %}</div>
+           {{part.fragment.text|safe}} </li>
+         {% endif %}
+         {% endif %}
+         {% endfor %}
+       </ul>
+      </li>
+      {% empty %}
+      <p>No results.</p>
+      {% endfor %}
+      </ol>
+    </div>
+
+{% endblock %}