| 1 | .. _label-uc-account-add: |
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| 2 | |
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| 3 | Use-Case: Add a Customer Account |
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| 4 | *********************************************************************** |
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| 5 | |
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| 6 | .. Description of a use case |
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| 7 | .. The description must be formulated as seen from system (not: actors) |
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| 8 | .. Describes those changes an (outside) actor can notice |
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| 9 | .. Short and abstract as possible, as long as necessary. |
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| 10 | .. Each use case must have at least one actor involved |
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| 11 | .. Each use case must have a trigger and a result |
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| 12 | |
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| 13 | |
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| 14 | Short Description |
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| 15 | ----------------------------------------------------------------------- |
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| 16 | |
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| 17 | A customer account is added to the system. |
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| 18 | |
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| 19 | Actor(s) |
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| 20 | ----------------------------------------------------------------------- |
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| 21 | |
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| 22 | Accountant, Admins |
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| 23 | |
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| 24 | |
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| 25 | Trigger(s) |
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| 26 | ----------------------------------------------------------------------- |
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| 27 | |
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| 28 | - Some customer or contract is added to the system. |
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| 29 | - A respective web form is requested from the system. |
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| 30 | |
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| 31 | |
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| 32 | Result(s) |
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| 33 | ----------------------------------------------------------------------- |
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| 34 | |
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| 35 | - The new account was created in system with a new unique ID. |
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| 36 | |
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| 37 | - A (nearly empty) account history can be retrieved for the new |
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| 38 | account. |
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| 39 | |
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| 40 | - The new account is connected to some contract or customer. |
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| 41 | |
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| 42 | - Authorized users can get the current account balance of the account. |
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| 43 | |
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| 44 | |
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| 45 | |
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| 46 | Incoming Data |
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| 47 | ----------------------------------------------------------------------- |
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| 48 | |
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| 49 | ID of customer or contract to connect to. |
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| 50 | |
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| 51 | |
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| 52 | Outgoing Data |
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| 53 | ----------------------------------------------------------------------- |
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| 54 | |
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| 55 | - Message about account creation. |
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| 56 | - Log message |
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| 57 | |
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| 58 | |
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| 59 | Precondition(s) |
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| 60 | ----------------------------------------------------------------------- |
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| 61 | |
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| 62 | The entity to connect the account with (customer or contract) already |
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| 63 | exists. |
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| 64 | |
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| 65 | |
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| 66 | Postcondition(s) |
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| 67 | ----------------------------------------------------------------------- |
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| 68 | |
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| 69 | The system accepts transactions for the new account. |
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| 70 | |
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| 71 | |
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| 72 | Invariant(s) |
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| 73 | ----------------------------------------------------------------------- |
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| 74 | |
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| 75 | |
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| 76 | |
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| 77 | |
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| 78 | Essential Steps |
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| 79 | ----------------------------------------------------------------------- |
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| 80 | |
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| 81 | 1. Authenticate request |
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| 82 | 2. Check existence of contract/customer to connect to |
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| 83 | 3. Check that no other account is already connected |
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| 84 | 4. Create account in DB |
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| 85 | 5. Notify system |
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| 86 | |
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| 87 | |
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| 88 | Open Issues |
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| 89 | ----------------------------------------------------------------------- |
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| 90 | |
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| 91 | We should discuss, whether accounts are connected to customers _or_ |
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| 92 | contracts. |
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| 93 | |
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| 94 | |
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| 95 | Change Log |
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| 96 | ----------------------------------------------------------------------- |
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| 97 | |
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| 98 | +------------+----------+------------+--------------------------------+ |
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| 99 | | Timestamp | Who | New Status | What | |
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| 100 | +------------+----------+------------+--------------------------------+ |
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| 101 | | 2013-11-07 | uli | init | Initial state | |
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| 102 | +------------+----------+------------+--------------------------------+ |
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| 103 | |
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| 104 | |
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| 105 | Remarks |
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| 106 | ----------------------------------------------------------------------- |
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| 107 | |
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| 108 | |
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| 109 | .. raw:: latex |
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| 110 | |
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| 111 | \pagebreak[4] |
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