1 | package clarin.cmdi.componentregistry.impl.database; |
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2 | |
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3 | import clarin.cmdi.componentregistry.ItemNotFoundException; |
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4 | import clarin.cmdi.componentregistry.UserUnauthorizedException; |
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5 | import java.util.List; |
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6 | |
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7 | import org.springframework.transaction.annotation.Transactional; |
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8 | |
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9 | import clarin.cmdi.componentregistry.model.BaseDescription; |
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10 | import clarin.cmdi.componentregistry.model.Group; |
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11 | import clarin.cmdi.componentregistry.model.Ownership; |
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12 | import clarin.cmdi.componentregistry.model.RegistryUser; |
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13 | |
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14 | /** |
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15 | * Service for handling groups and component/profile ownership |
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16 | * @author george.georgovassilis@mpi.nl |
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17 | * |
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18 | */ |
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19 | @Transactional |
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20 | public interface GroupService { |
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21 | |
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22 | /** |
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23 | * Creates a new group. Will fail with an exception if the (normalised) group name already exists |
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24 | * @param name |
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25 | * @param owner |
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26 | * @return ID of group created |
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27 | * @throws ValidationException |
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28 | */ |
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29 | long createNewGroup(String name, String ownerPrincipalName); |
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30 | |
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31 | /** |
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32 | * Gets groups directly owned by a user |
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33 | * @param ownerPrincipalName |
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34 | * @return |
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35 | */ |
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36 | List<Group> getGroupsOwnedByUser(String ownerPrincipalName); |
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37 | |
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38 | /** |
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39 | * Get list of groups of which the provided user is a member of. Does not include |
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40 | * groups he owns but is not a member of. |
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41 | * @param principal |
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42 | * @return |
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43 | */ |
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44 | List<Group> getGroupsOfWhichUserIsAMember(String principal); |
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45 | |
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46 | /** |
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47 | * Lists all group names |
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48 | * @return |
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49 | */ |
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50 | List<String> listGroupNames(); |
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51 | |
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52 | |
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53 | boolean isUserOwnerOfGroup(String groupName, String ownerPrincipalName); |
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54 | |
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55 | /** |
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56 | * Add an ownership of a user or group to a profile or component. Will check ownership for plausibility and will fail if that ownership already exists. |
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57 | * Will not fail if user/group/component/profile IDs don't correspond to an existing entry. |
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58 | * @param ownership |
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59 | */ |
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60 | void addOwnership(Ownership ownership); |
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61 | |
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62 | /** |
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63 | * Removes an existing ownership. Won't complain if the ownership doesn't exist |
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64 | * @param ownership |
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65 | */ |
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66 | void removeOwnership(Ownership ownership); |
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67 | |
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68 | /** |
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69 | * Determines whether a user has read access to a component. Factors that allow access are: |
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70 | * 1. The component is public |
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71 | * 2. The user is the creator |
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72 | * 3. The user has an ownership (see {@link #addOwnership(Ownership)}) |
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73 | * 4. The user belongs to a group that has ownership |
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74 | * @param user |
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75 | * @param baseDescription |
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76 | * @return |
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77 | */ |
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78 | boolean canUserAccessComponentEitherOnHisOwnOrThroughGroupMembership(RegistryUser user, BaseDescription baseDescription); |
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79 | |
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80 | /** |
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81 | * Make a user a mamber of a group |
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82 | * @param userName |
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83 | * @param groupName |
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84 | * @return database ID of group membership row |
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85 | */ |
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86 | long makeMember(String userName, String groupName) throws ItemNotFoundException; |
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87 | |
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88 | // long removeMember(String userName, String groupName) throws ItemNotFoundException; |
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89 | |
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90 | /** |
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91 | * Move ownership of a component or profile from a user to a group |
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92 | * @param principal |
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93 | * @param groupName |
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94 | * @param componentId |
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95 | */ |
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96 | void transferItemOwnershipFromUserToGroup(String principal, String groupId, String componentId) throws UserUnauthorizedException; |
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97 | |
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98 | /** |
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99 | * Move ownership of a component or profile from a user to a group |
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100 | * @param principal |
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101 | * @param groupId |
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102 | * @param componentId |
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103 | */ |
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104 | void transferItemOwnershipFromUserToGroupId(String principal, long groupId, String componentId) throws UserUnauthorizedException; |
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105 | |
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106 | /** |
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107 | * Get component IDs in a group |
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108 | * @param groupId |
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109 | * @return |
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110 | */ |
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111 | List<String> getComponentIdsInGroup(long groupId); |
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112 | |
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113 | /** |
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114 | * Get a list of groups the item is a member of. While it's technically possible for an item to belong to none, one or multiple groups, the transferXOwnerwhip methods make sure |
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115 | * an item belongs only to a single group at most, thus this method returns at most a single group for all practical purposes. |
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116 | * @param itemId |
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117 | * @return List of groups |
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118 | */ |
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119 | List<Group> getGroupsTheItemIsAMemberOf(String itemId); |
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120 | |
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121 | /** |
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122 | * Get profile IDs in a group |
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123 | * @param groupId |
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124 | * @return |
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125 | */ |
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126 | List<String> getProfileIdsInGroup(long groupId); |
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127 | |
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128 | boolean userGroupMember(String principalName, String groupId); |
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129 | |
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130 | public Number getGroupIdByName(String groupName) throws ItemNotFoundException; |
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131 | |
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132 | public String getGroupNameById(long groupId) throws ItemNotFoundException; |
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133 | } |
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