Mercurial > p > roundup > code

annotate roundup/rest.py @ 5563:9a1614ff752d REST-rebased

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Implement delete collection Added raising exception from post to element, put to collection, and patch to collection committer: Ralf Schlatterbeck <rsc@runtux.com>
author Chau Nguyen <dangchau1991@yahoo.com>
date Wed, 30 Jan 2019 10:26:33 +0100
parents 70df783c4c0b
children da6b5724314f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 """
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2 Restful API for Roundup
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3
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4 This module is free software, you may redistribute it
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5 and/or modify under the same terms as Python.
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6 """
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7
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8 import json
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9 import pprint
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10 from roundup import hyperdb
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11 from roundup.exceptions import *
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12 from roundup import xmlrpc
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13
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14
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15 class RestfulInstance(object):
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16 """Dummy Handler for REST
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17 """
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18
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19 def __init__(self, db):
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20 # TODO: database, translator and instance.actions
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21 self.db = db
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22
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23 def get_collection(self, class_name, input):
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24 if not self.db.security.hasPermission('View', self.db.getuid(),
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25 class_name):
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26 raise Unauthorised('Permission to view %s denied' % class_name)
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27 class_obj = self.db.getclass(class_name)
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28 prop_name = class_obj.labelprop()
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29 result = [{'id': item_id, 'name': class_obj.get(item_id, prop_name)}
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30 for item_id in class_obj.list()
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31 if self.db.security.hasPermission('View', self.db.getuid(),
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32 class_name,
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33 itemid=item_id)]
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34 return result
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35
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36 def get_element(self, class_name, item_id, input):
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37 if not self.db.security.hasPermission('View', self.db.getuid(),
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38 class_name, itemid=item_id):
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39 raise Unauthorised('Permission to view %s item %d denied' %
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40 (class_name, item_id))
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41 class_obj = self.db.getclass(class_name)
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42 props = class_obj.properties.keys()
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43 props.sort() # sort properties
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44 result = [(prop_name, class_obj.get(item_id, prop_name))
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45 for prop_name in props
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46 if self.db.security.hasPermission('View', self.db.getuid(),
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47 class_name, prop_name,
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48 item_id)]
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49 result = dict(result)
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50
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51 return result
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52
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53 def post_collection(self, class_name, input):
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54 if not self.db.security.hasPermission('Create', self.db.getuid(),
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55 class_name):
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56 raise Unauthorised('Permission to create %s denied' % class_name)
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57
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58 class_obj = self.db.getclass(class_name)
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59
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60 # convert types
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61 input_data = ["%s=%s" % (item.name, item.value) for item in input.value]
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62 props = xmlrpc.props_from_args(self.db, class_obj, input_data)
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63
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64 # check for the key property
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65 key = class_obj.getkey()
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66 if key and key not in props:
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67 raise UsageError('Must provide the "%s" property.' % key)
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68
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69 for key in props:
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70 if not self.db.security.hasPermission('Create', self.db.getuid(),
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71 class_name, property=key):
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72 raise Unauthorised('Permission to create %s.%s denied' %
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73 (class_name, key))
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74
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75 # do the actual create
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76 try:
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77 item_id = class_obj.create(**props)
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78 self.db.commit()
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79 except (TypeError, IndexError, ValueError), message:
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80 raise UsageError(message)
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81
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82 result = {id: item_id}
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83 return result
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84
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85 def post_element(self, class_name, item_id, input):
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86 raise Reject('Invalid request')
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87
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88 def put_collection(self, class_name, input):
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89 raise Reject('Invalid request')
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90
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91 def put_element(self, class_name, item_id, input):
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92 raise NotImplementedError
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93
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94 def delete_collection(self, class_name, input):
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95 if not self.db.security.hasPermission('Delete', self.db.getuid(),
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96 class_name):
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97 raise Unauthorised('Permission to delete %s denied' % class_name)
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98
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99 class_obj = self.db.getclass(class_name)
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100 for item_id in class_obj.list():
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101 if not self.db.security.hasPermission('Delete', self.db.getuid(),
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102 class_name, itemid=item_id):
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103 raise Unauthorised('Permission to delete %s %s denied' %
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104 (class_name, item_id))
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105
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106 for item_id in class_obj.list():
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107 self.db.destroynode(class_name, item_id)
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108
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109 self.db.commit()
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110 result = {"status": "ok"}
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111
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112 return result
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113
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114 def delete_element(self, class_name, item_id, input):
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115 if not self.db.security.hasPermission('Delete', self.db.getuid(),
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116 class_name, itemid=item_id):
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117 raise Unauthorised('Permission to delete %s %s denied' %
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118 (class_name, item_id))
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119
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120 self.db.destroynode(class_name, item_id)
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121 self.db.commit()
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122 result = {"status": "ok"}
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123
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124 return result
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125
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126 def patch_collection(self, class_name, input):
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127 raise Reject('Invalid request')
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128
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129 def patch_element(self, class_name, item_id, input):
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130 raise NotImplementedError
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131
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132 def dispatch(self, method, uri, input):
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133 # PATH is split to multiple pieces
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134 # 0 - rest
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135 # 1 - resource
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136 resource_uri = uri.split("/")[1]
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137
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138 output = None
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139 try:
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140 if resource_uri in self.db.classes:
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141 output = getattr(self, "%s_collection" % method.lower())(
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142 resource_uri, input)
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143 else:
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144 class_name, item_id = hyperdb.splitDesignator(resource_uri)
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70df783c4c0b Cleanup, fixed a bug with delete action
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5561
diff changeset
145 output = getattr(self, "%s_element" % method.lower())(
70df783c4c0b Cleanup, fixed a bug with delete action
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5561
diff changeset
146 class_name, item_id, input)
5561
7aa7f779198b Split all rest action into 2 type
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5560
diff changeset
147 except hyperdb.DesignatorError:
5562
70df783c4c0b Cleanup, fixed a bug with delete action
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5561
diff changeset
148 raise NotImplementedError('Invalid URI')
5560
2cc07def1b3f use getattr instead of calling each function
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5559
diff changeset
149 except AttributeError:
5562
70df783c4c0b Cleanup, fixed a bug with delete action
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5561
diff changeset
150 raise NotImplementedError('Method is invalid')
70df783c4c0b Cleanup, fixed a bug with delete action
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5561
diff changeset
151 finally:
70df783c4c0b Cleanup, fixed a bug with delete action
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5561
diff changeset
152 output = json.JSONEncoder().encode(output)
5557
213a56c91471 Implement getting resource from database
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5556
diff changeset
153
5561
7aa7f779198b Split all rest action into 2 type
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5560
diff changeset
154 print "Length: %s - Content(50 char): %s" % (len(output), output[:50])
5557
213a56c91471 Implement getting resource from database
Chau Nguyen <dangchau1991@yahoo.com>
parents: 5556
diff changeset
155 return output
Roundup Issue Tracker: http://roundup-tracker.org/