From 4d4dc75958131997320beb41cadef2cbbdaa996b Mon Sep 17 00:00:00 2001
From: Nikhil Rayaprolu <nikhil684@gmail.com>
Date: Tue, 8 Aug 2017 02:24:11 +0530
Subject: [PATCH] Addresses #58 implementation of image search for google

---
 app/scraper.py           | 36 +++++++++++++++++++++++++++++-------
 app/server.py            |  3 ++-
 app/templates/index.html | 37 +++++++++++++++++++++++++++++--------
 3 files changed, 60 insertions(+), 16 deletions(-)

diff --git a/app/scraper.py b/app/scraper.py
index f677a664..302e1fda 100644
--- a/app/scraper.py
+++ b/app/scraper.py
@@ -80,14 +80,17 @@ def get_google_page(query):
     payload = {'q': query}
     response = requests.get('https://www.google.com/search', headers=header, params=payload)
     return response
-    
-def get_google_page(query,startIndex):
+
+
+def get_google_page(query, startIndex, image=False):
     """ Fetch the google search results page
     Returns : Results Page
     """
     header = {
         'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36'}
-    payload = {'q': query,'start':startIndex}
+    payload = {'q': query, 'start': startIndex}
+    if image:
+        payload = {'q': query, 'start': startIndex, 'tbm': 'isch'}
     response = requests.get('https://www.google.com/search', headers=header, params=payload)
     return response
 
@@ -98,8 +101,8 @@ def google_search(query):
             [[Tile1,url1], [Title2, url2],..]
     """
     urls = []
-    for count in range(0,10):
-        response = get_google_page(query,count*10)
+    for count in range(0, 10):
+        response = get_google_page(query, count * 10)
         soup = BeautifulSoup(response.text, 'html.parser')
         for h3 in soup.findAll('h3', {'class': 'r'}):
             links = h3.find('a')
@@ -109,6 +112,23 @@ def google_search(query):
     return urls
 
 
+def google_image_search(query):
+    """ Search google for the query and return set of urls
+    Returns: urls (list)
+            [[Tile1,url1], [Title2, url2],..]
+    """
+    urls = []
+    for count in range(0, 10):
+        response = get_google_page(query, count * 10, image=True)
+        soup = BeautifulSoup(response.text, 'html.parser')
+        for image_data in soup.findAll('div', {'class': 'rg_meta'}):
+            j = json.loads(image_data.getText())
+            urls.append({'title': j['pt'],
+                         'link': j['ou']})
+
+    return urls
+
+
 def get_yahoo_page(query):
     """ Fetch the yahoo search results
     Returns : Results Page
@@ -155,8 +175,10 @@ def small_test():
     assert type(google_search('fossasia')) is list
 
 
-def feedgen(query, engine):
-    if engine == 'g':
+def feedgen(query,type, engine):
+    if engine == 'g' and type == "images":
+        urls = google_image_search(query)
+    elif engine == 'g':
         urls = google_search(query)
     elif engine == 'd':
         urls = duckduckgo_search(query)
diff --git a/app/server.py b/app/server.py
index a36f9288..96d6684e 100644
--- a/app/server.py
+++ b/app/server.py
@@ -39,11 +39,12 @@ def search(search_engine):
                 return bad_request(err)
 
             query = request.args.get('query')
+            stype = request.args.get('type')
             if not query:
                 err = [400, 'Not Found - missing query', qformat]
                 return bad_request(err)
 
-            result = feedgen(query,engine[0])
+            result = feedgen(query,stype,engine[0])
             if not result:
                 err = [404, 'No response', qformat]
                 return bad_request(err)
diff --git a/app/templates/index.html b/app/templates/index.html
index 08ac0391..9461da3f 100644
--- a/app/templates/index.html
+++ b/app/templates/index.html
@@ -48,6 +48,17 @@ <h1><code>query-server</code></h1>
                         </label>
                     </div>
                 </div>
+                <div class="col-sm-4" style="display: inline;">
+                    <div class="btn-group" id="type" data-toggle="buttons">
+                        <label class="btn btn-lg btn-primary active typeButton">
+                            <input type="radio" value="text" autocomplete="off">Text
+                        </label>
+                        <label class="btn btn-lg btn-primary typeButton">
+                            <input type="radio" value="images" autocomplete="off">Images
+                        </label>
+                    </div>
+                </div>
+
             </div>
             <br/>
             <div class="btn-toolbar">
@@ -70,7 +81,7 @@ <h1><code>query-server</code></h1>
     </footer>
 </div>
 <div class="pagination-centered" >
-  <img id="load" src="{{ url_for('static', filename='images/ripple.gif') }}">
+    <img id="load" src="{{ url_for('static', filename='images/ripple.gif') }}">
 </div>
 <pre id="feed" style="display:none;"><code class="language-xml"></code></pre>
 <br/><br/>
@@ -84,7 +95,8 @@ <h1><code>query-server</code></h1>
                 var sengine = $(this).val();
                 var squery = $('#query').val();
                 var sformat = $(' #format label.active input').val();
-                var urlloc = window.location.href.split(/\?|#/)[0] + "api/v1/search/" + sengine + "?query=" + squery + "&format=" + sformat;
+                var stype = $(' #type label.active input').val();
+                var urlloc = window.location.href.split(/\?|#/)[0] + "api/v1/search/" + sengine + "?query=" + squery + "&format=" + sformat + "&type=" +stype;
                 $.ajax({
                     url: urlloc,
                     type: 'GET',
@@ -113,16 +125,25 @@ <h1><code>query-server</code></h1>
         if($(this).hasClass('active')){
             $(this).removeClass('active')
         } else {
-            $(".active").removeClass("active");
+            $("#format .active").removeClass("active");
+            $(this).addClass('active')
+        }
+    });
+    $('.typeButton').click(function(e){
+        e.preventDefault();
+        if($(this).hasClass('active')){
+            $(this).removeClass('active')
+        } else {
+            $("#type .active").removeClass("active");
             $(this).addClass('active')
         }
     });
     $(window).keydown(function(event){
-    if(event.keyCode == 13) {
-      event.preventDefault();
-      return false;
-    }
-  });
+        if(event.keyCode == 13) {
+            event.preventDefault();
+            return false;
+        }
+    });
 </script>
 </body>
 </html>