From da8aa69bf140ba668082c8006178f7aaf9c857a1 Mon Sep 17 00:00:00 2001
From: j <0x006A@0x2620.org>
Date: Tue, 28 Dec 2010 19:34:28 +0530
Subject: [PATCH] some annoation api

---
 pandora/annotaion/models.py |  21 +++++++-
 pandora/annotaion/views.py  | 105 ++++++++++++++++++++++++++++--------
 2 files changed, 102 insertions(+), 24 deletions(-)

diff --git a/pandora/annotaion/models.py b/pandora/annotaion/models.py
index 3fafa2b58..fa0af1ed8 100644
--- a/pandora/annotaion/models.py
+++ b/pandora/annotaion/models.py
@@ -23,6 +23,8 @@ from ox.utils import json
 from ox import stripTags
 from ox.normalize import canonicalTitle, canonicalName
 
+import utils
+
 
 class Layer(models.Model):
     class Meta:
@@ -70,7 +72,7 @@ class Annotation(models.Model):
     start = models.FloatField(default=-1)
     stop = models.FloatField(default=-1)
 
-    type = models.CharField(blank=True, max_length=255)
+    layer = models.ForeignKey(Layer)
     value = models.TextField()
 
     def editable(self, user):
@@ -81,6 +83,23 @@ class Annotation(models.Model):
                 return True
         return False
 
+    def html(self):
+        if self.layer.type == 'string':
+            return utils.html_parser(self.value)
+        else:
+            return self.value
+
+    def json(self):
+        return {
+            'id': self.id,
+            'user': self.user.username,
+            'start': self.start,
+            'stop': self.start,
+            'value': self.value,
+            'value_html': self.html(),
+            'layer': self.layer.name
+        }
+
     def __unicode__(self):
         return "%s/%s-%s" %(self.item, self.start, self.stop)
 
diff --git a/pandora/annotaion/views.py b/pandora/annotaion/views.py
index 58c6f124d..8c30ff00a 100644
--- a/pandora/annotaion/views.py
+++ b/pandora/annotaion/views.py
@@ -26,37 +26,96 @@ import ox
 import models
 from api.actions import actions
 
-@login_required_json
-def addLayer(request):
+
+def findAnnotation(request):
     '''
-        param data
-            {key: value}
+        param data {
+            fixme
+        }
+
+        return {
+            'status': {'code': int, 'text': string}
+            'data': {
+                annotations = [{..}, {...}, ...]
+            }
+        }
+    '''
+    #FIXME: implement findItem like queries
+    data = json.loads(request.POST['data'])
+    response = json_response(status=200, text='ok')
+    qs = models.Annotations.objects.filter(item__itemId=data['item'])
+    response['data']['annotations'] = [a.json() for a in qs]
+    return render_to_json_response(response)
+actions.register(findAnnotation)
+
+@login_required_json
+def addAnnotation(request):
+    '''
+        param data {
+            item: itemId,
+            layer: layerId,
+            start: float,
+            end: float,
+            value: string
+        }
         return {'status': {'code': int, 'text': string},
-                'data': {}}
+                'data': {
+                    'annotation': {}s
+                }
+        }
+    '''
+    data = json.loads(request.POST['data'])
+    for key in ('item', 'layer', 'start', 'end', 'value'):
+        if key not in data:
+            return render_to_json_response(json_response(status=400, text='invalid data'))
+
+    item = get_object_or_404_json(models.Item, itemId=data['item'])
+    layer = get_object_or_404_json(models.Layer, layerId=data['layer'])
+    
+    annotation = models.Annotation(
+        item=item,
+        layer=layer,
+        user=request.user,
+        start=float(data['start']), start=float(data['end']),
+        value=data['value']
+    )
+    annotation.save()
+    response = json_response()
+    response['data']['annotation'] = annotation.json()
+    return render_to_json_response(response)
+
+    response = {'status': {'code': 501, 'text': 'not implemented'}}
+    return render_to_json_response(response)
+actions.register(addAnnotation)
+
+@login_required_json
+def removeAnnotation(request):
+    '''
+        param data {
+            id:
+        }
+        return {'status': {'code': int, 'text': string},
+                'data': {
+                }
+        }
     '''
     response = {'status': {'code': 501, 'text': 'not implemented'}}
     return render_to_json_response(response)
-actions.register(addLayer)
+actions.register(removeAnnotation)
 
 @login_required_json
-def removeLayer(request):
+def editAnnotation(request):
     '''
-        param data
-            {key: value}
+        param data {
+            id:,
+            start: float,
+            end: float,
+            value: string,
+        }
         return {'status': {'code': int, 'text': string},
-                'data': {}}
-    '''
-    response = {'status': {'code': 501, 'text': 'not implemented'}}
-    return render_to_json_response(response)
-actions.register(removeLayer)
-
-@login_required_json
-def editLayer(request):
-    '''
-        param data
-            {key: value}
-        return {'status': {'code': int, 'text': string},
-                'data': {}}
+                'data': {
+                }
+        }
     '''
     response = json_response({})
     data = json.loads(request.POST['data'])
@@ -69,5 +128,5 @@ def editLayer(request):
 
     response = json_response(status=501, text='not implemented')
     return render_to_json_response(response)
-actions.register(editLayer)
+actions.register(editAnnotation)