| 1 | """Workflow for applicants. |
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| 2 | """ |
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| 3 | import grok |
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| 4 | from datetime import datetime |
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| 5 | from hurry.workflow.workflow import Transition, WorkflowState, NullCondition |
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| 6 | from hurry.workflow.interfaces import IWorkflowState, IWorkflowTransitionEvent |
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| 7 | from waeup.sirp.applicants.interfaces import IApplicantBaseData |
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| 8 | from waeup.sirp.interfaces import IObjectHistory, IWAeUPWorkflowInfo |
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| 9 | from waeup.sirp.workflow import ( |
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| 10 | WAeUPWorkflow, WAeUPWorkflowInfo, NULL_TRANSITION) |
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| 11 | |
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| 12 | INITIALIZED = 'initialized' |
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| 13 | STARTED = 'started' |
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| 14 | SUBMITTED = 'submitted' |
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| 15 | ADMITTED = 'admitted' |
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| 16 | NOT_ADMITTED = 'not admitted' |
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| 17 | CREATED = 'created' |
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| 18 | |
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| 19 | APPLICATION_TRANSITIONS = ( |
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| 20 | NULL_TRANSITION, |
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| 21 | |
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| 22 | Transition( |
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| 23 | transition_id = 'init', |
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| 24 | title = 'Initialize application', |
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| 25 | source = None, |
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| 26 | condition = NullCondition, |
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| 27 | msg = 'application process initialized', |
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| 28 | destination = INITIALIZED), |
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| 29 | |
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| 30 | Transition( |
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| 31 | transition_id = 'start', |
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| 32 | title = 'Start application', |
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| 33 | msg = 'application process started', |
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| 34 | source = INITIALIZED, |
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| 35 | destination = STARTED), |
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| 36 | |
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| 37 | Transition( |
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| 38 | transition_id = 'submit', |
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| 39 | title = 'Submit application', |
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| 40 | msg = 'application record submitted', |
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| 41 | source = STARTED, |
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| 42 | destination = SUBMITTED), |
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| 43 | |
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| 44 | Transition( |
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| 45 | transition_id = 'admit', |
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| 46 | title = 'Admit applicant', |
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| 47 | msg = 'applicant admitted', |
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| 48 | source = SUBMITTED, |
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| 49 | destination = ADMITTED), |
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| 50 | |
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| 51 | Transition( |
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| 52 | transition_id = 'refuse1', |
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| 53 | title = 'Refuse application', |
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| 54 | msg = 'application refused', |
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| 55 | source = SUBMITTED, |
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| 56 | destination = NOT_ADMITTED), |
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| 57 | |
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| 58 | Transition( |
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| 59 | transition_id = 'refuse2', |
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| 60 | title = 'Refuse application', |
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| 61 | msg = 'application refused', |
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| 62 | source = ADMITTED, |
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| 63 | destination = NOT_ADMITTED), |
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| 64 | |
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| 65 | Transition( |
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| 66 | transition_id = 'create', |
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| 67 | title = 'Create student record', |
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| 68 | msg = 'student record created', |
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| 69 | source = ADMITTED, |
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| 70 | destination = CREATED), |
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| 71 | |
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| 72 | Transition( |
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| 73 | transition_id = 'reset1', |
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| 74 | title = 'Reset application', |
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| 75 | msg = 'application record reset', |
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| 76 | source = SUBMITTED, |
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| 77 | destination = STARTED), |
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| 78 | |
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| 79 | Transition( |
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| 80 | transition_id = 'reset2', |
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| 81 | title = 'Reset application', |
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| 82 | msg = 'application record reset', |
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| 83 | source = ADMITTED, |
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| 84 | destination = STARTED), |
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| 85 | |
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| 86 | Transition( |
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| 87 | transition_id = 'reset3', |
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| 88 | title = 'Reset application', |
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| 89 | msg = 'application record reset', |
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| 90 | source = NOT_ADMITTED, |
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| 91 | destination = STARTED), |
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| 92 | |
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| 93 | Transition( |
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| 94 | transition_id = 'reset4', |
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| 95 | title = 'Reset application', |
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| 96 | msg = 'application record reset', |
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| 97 | source = CREATED, |
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| 98 | destination = STARTED), |
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| 99 | ) |
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| 100 | |
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| 101 | application_workflow = WAeUPWorkflow(APPLICATION_TRANSITIONS) |
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| 102 | |
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| 103 | class ApplicationWorkflowState(WorkflowState, grok.Adapter): |
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| 104 | """An adapter to adapt Applicant objects to workflow states. |
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| 105 | """ |
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| 106 | grok.context(IApplicantBaseData) |
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| 107 | grok.provides(IWorkflowState) |
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| 108 | |
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| 109 | state_key = 'wf.application.state' |
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| 110 | state_id = 'wf.application.id' |
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| 111 | |
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| 112 | class ApplicationWorkflowInfo(WAeUPWorkflowInfo, grok.Adapter): |
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| 113 | """Adapter to adapt Applicant objects to workflow info objects. |
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| 114 | """ |
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| 115 | grok.context(IApplicantBaseData) |
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| 116 | grok.provides(IWAeUPWorkflowInfo) |
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| 117 | |
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| 118 | def __init__(self, context): |
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| 119 | self.context = context |
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| 120 | self.wf = application_workflow |
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| 121 | |
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| 122 | @grok.subscribe(IApplicantBaseData, IWorkflowTransitionEvent) |
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| 123 | def handle_applicant_transition_event(obj, event): |
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| 124 | """Append message to applicant when transition happened. |
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| 125 | """ |
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| 126 | timestamp = datetime.now().strftime("%d/%m/%Y %H:%M:%S") |
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| 127 | msg = '%s - %s (new state: %s)' % ( |
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| 128 | timestamp, event.transition.user_data['msg'], event.destination) |
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| 129 | history = IObjectHistory(obj) |
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| 130 | history.addMessage(msg) |
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| 131 | return |
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