1 | from types import UnicodeType |
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2 | from Acquisition import aq_inner |
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3 | |
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4 | from Products.CMFCore.utils import getToolByName |
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5 | |
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6 | from MemberdataHandlers import registerMemberdataHandler, IMemberdataHandler |
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7 | |
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8 | class CMFMemberdataHandler: |
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9 | """ |
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10 | Manage portal_memberdata after migration it to CMFMembers' portal_memberdata tool |
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11 | """ |
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12 | |
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13 | __implements__ = IMemberdataHandler |
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14 | |
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15 | def __init__(self, context): |
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16 | self.context = context |
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17 | self.tool = getToolByName(self.context, 'portal_memberdata') |
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18 | self.fieldnames = [] |
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19 | self.compatible = 'BaseBTreeFolder' in [klass.__name__ for klass in self.tool.__class__.__bases__] |
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20 | self.is_compatible() |
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21 | |
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22 | def is_compatible(self): |
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23 | """ |
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24 | Take portal_memberdata tool and analyse possibility of working |
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25 | with it. |
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26 | If handler does not know how to work with given portal_memberdata, |
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27 | it return 'False' on init, otherwise - 'True'. |
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28 | As condition used inheritance from 'BaseBTreeFolder' class. |
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29 | """ |
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30 | if not self.compatible: |
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31 | raise |
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32 | return self.compatible |
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33 | |
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34 | def listAllMemberProperties(self, exclude_props=[], include_props=None): |
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35 | """ |
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36 | Collect and return all distinct shema fields from all portal cmf members |
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37 | """ |
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38 | if not self.is_compatible(): return [] |
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39 | for member in self.getAllMembers(): |
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40 | if hasattr(aq_inner(member), 'Schema') and callable(member.Schema): |
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41 | schema = member.getSchema() |
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42 | for field in schema.filterFields(): |
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43 | fname = str(field.getName()) |
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44 | if (fname not in exclude_props) and (include_props and fname in include_props or not include_props): |
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45 | if field not in self.fieldnames: |
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46 | self.fieldnames.append(fname) |
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47 | return all_props |
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48 | |
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49 | def getAllMembers(self): |
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50 | """ |
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51 | Return all members with portal_memberdata.contentValues() folderish method |
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52 | """ |
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53 | if not self.compatible: return [] |
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54 | return self.tool.contentValues() |
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55 | |
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56 | def getMemberProperties(self, member, exclude_props=[], include_props=None): |
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57 | """ |
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58 | Return all needed members' properties as dictionary |
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59 | {property name : property value, ...}, |
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60 | exclude properties from exclue_props parameter. |
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61 | Get properties from schemas of every member object and collect it. |
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62 | """ |
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63 | |
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64 | if not self.compatible: return {} |
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65 | |
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66 | props = {} |
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67 | if hasattr(aq_inner(member), 'Schema') and callable(member.Schema): |
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68 | schema = member.getSchema() |
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69 | for field in schema.filterFields(): |
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70 | fname = str(field.getName()) |
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71 | if (fname not in exclude_props) and (include_props and fname in include_props or not include_props): |
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72 | if not props.has_key(fname): |
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73 | value = member.getProperty(fname, '') |
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74 | if type(value) is UnicodeType: |
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75 | value = value.encode('UTF8') |
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76 | props[fname] = value |
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77 | if fname not in self.fieldnames: |
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78 | self.fieldnames.append(fname) |
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79 | |
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80 | return props |
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81 | |
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82 | registerMemberdataHandler(CMFMemberdataHandler) |
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