Mercurial > personas_backend

annotate personasbackend/personas/views.py @ 145:f07025da528b

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Thumbnails are now dynamically generated by a view function; if things get slow, we'll rely on a front-end cache like squid to speed it up.
author Atul Varma <varmaa@toolness.com>
date Fri, 04 Apr 2008 10:41:50 -0700
parents e48318d2ff8a
children 612212345759
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rev   line source
145
f07025da528b Thumbnails are now dynamically generated by a view function; if things get slow, we'll rely on a front-end cache like squid to speed it up.
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diff changeset
1 import os
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2 import mimetypes
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3
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5f21f8d3334b Only users who have the personas.can_publish permission or who own a persona can edit them now; added more workflow logic. I'm not entirely happy with the way the workflow logic is structured right now, but this seems to work okay for the time being.
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4 from django.http import HttpResponseRedirect, HttpResponseForbidden
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5 from django.http import Http404
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6 from django.http import HttpResponse, HttpResponseBadRequest
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7 from django.template import RequestContext
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8 from django.contrib.auth.decorators import login_required
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bd1cdb15ef85 Added persona form submission validation, fixed some things in model logic; submitting forms successfully now properly redirects the user to an edit page.
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9 from django.core.urlresolvers import reverse
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6cde01f6012a Resolved a TODO involving get_object_or_404().
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10 from django.shortcuts import render_to_response, get_object_or_404
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11
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9bcc77e37c19 Renamed all references of PersonasBackend to personasbackend, matching PEP-8.
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12 from personasbackend.personas import models
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13 from personasbackend.personas import forms
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ccb027c6862a Added simple JSON views that generate personas_categories.dat and personas_all.dat.
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14
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15 NO_THUMBNAIL_IMAGE = "https://addons.mozilla.org/img/addon-icn.png"
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16
132
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17 def _render_static_persona( img_src, action ):
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18 if action == "footer":
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19 position = "bottom left"
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20 else:
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21 position = "top right"
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22
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23 return render_to_response(
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aaa032194990 Got rid of a TODO by renaming a file.
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24 "personas/static_persona.xul",
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25 { "image" : img_src, "position" : position },
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26 mimetype = "application/vnd.mozilla.xul+xml"
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27 )
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28
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29 def hosted_static_persona( request, persona_id ):
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30 persona = get_object_or_404( models.Persona, id=persona_id )
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31
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32 if not (persona.header_img and persona.footer_img):
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33 raise Http404( "Persona is not statically hosted." )
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34
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35 action = request.GET.get( "action", "" )
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36
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37 if action == "footer":
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38 img_src = persona.get_absolute_footer_img_url()
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39 elif action == "header":
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40 img_src = persona.get_absolute_header_img_url()
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41 else:
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42 return HttpResponseBadRequest( "Invalid or unsupported action: %s" %
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43 action )
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44
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45 return _render_static_persona( img_src, action )
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46
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47 def legacy_cbeard_persona( request, name ):
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48 urldict = {"name" : name}
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50 action = request.GET.get( "action", "" )
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51
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52 if action == "footer":
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53 img_src = models.LEGACY_FOOTER_URL % urldict
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54 elif action == "header":
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55 img_src = models.LEGACY_HEADER_URL % urldict
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56 else:
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57 return HttpResponseBadRequest( "Invalid or unsupported action: %s" %
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58 action )
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59
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60 return _render_static_persona( img_src, action )
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61
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62 def thumbnail( request, persona_id ):
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63 persona = get_object_or_404( models.Persona, id=persona_id )
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64
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65 if not persona.create_thumbnail():
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66 return HttpResponseRedirect( NO_THUMBNAIL_IMAGE )
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67
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68 filename = persona.thumbnail_filename
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70 mimetype = mimetypes.types_map[ os.path.splitext( filename )[1] ]
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72 image_data = open( filename, "rb" ).read()
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74 return HttpResponse( image_data,
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75 mimetype = mimetype )
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76
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77 def list_view( request ):
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78 personas = models.Persona.objects.filter( status="published" )
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79 return render_to_response(
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80 "personas/list.html",
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81 { "personas" : personas,
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82 "title" : "Browse Personas" },
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83 context_instance = RequestContext(request)
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84 )
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85
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86 def home_view( request ):
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87 return render_to_response(
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88 "personas/home.html",
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89 { "title" : "Home" },
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90 context_instance = RequestContext(request)
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91 )
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92
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93 def todo_view( request ):
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94 return render_to_response(
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95 "personas/todo.html",
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96 { "title" : "Under Construction" },
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97 context_instance = RequestContext(request)
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98 )
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99
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100 def new_view( request ):
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101 return edit_view( request )
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102
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103 @login_required
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104 def edit_view( request, persona_id=None ):
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105 if persona_id is None:
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106 persona = None
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107 pageTitle = "Create a new Persona"
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108 else:
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109 persona = get_object_or_404( models.Persona, id=persona_id )
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110 if not persona.can_user_edit( request.user ):
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111 return HttpResponseForbidden(
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112 "<h1>You do not have permission to edit "
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113 "this Persona.</h1>"
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114 )
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115 pageTitle = "Edit Persona"
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116
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117 if request.method == "POST":
132
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118 form = forms.PersonaForm( request.POST, request.FILES,
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119 instance=persona )
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120 if form.is_valid():
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121 newPersona = form.save( commit=False )
135
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122
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123 if persona is None:
136
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124 msgText = "Persona created successfully."
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125 waitText = ("It will need "
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126 "to be reviewed by a staff member "
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127 "before it is published.")
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128 else:
135
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129 if (not newPersona.header_img) and persona.header_img:
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130 newPersona.header_img = persona.header_img
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131 if (not newPersona.footer_img) and persona.footer_img:
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132 newPersona.footer_img = persona.footer_img
136
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133 msgText = "Persona edited successfully."
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134 waitText = ("Your changes "
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135 "will need to be approved by a staff member "
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136 "before they can take effect.")
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137
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138 if not request.user.has_perm("personas.can_publish"):
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139 msgText += " " + waitText
135
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140
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141 newPersona.save( updater = request.user )
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142 request.user.message_set.create( message = msgText )
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143 url = reverse("edit-persona", args=[newPersona.id])
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144 return HttpResponseRedirect( url )
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145 else:
66
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146 form = forms.PersonaForm( instance=persona )
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147
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148 return render_to_response(
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149 "personas/edit.html",
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150 { "form" : form,
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151 "title" : pageTitle },
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152 context_instance = RequestContext(request)
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153 )