86 lines
3.1 KiB
Markdown
86 lines
3.1 KiB
Markdown
# Sequence Diagram
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## Metadata
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| Key | Value |
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| --- | --- |
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| ID | SD-002 |
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| CrossReference | [OC-002], [DCD-003], [DICT-001] |
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## Version History
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| Date | Status | Author | Reviewer | Change | Commit |
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| --- | --- | --- | --- | --- | --- |
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| 2026-10-07 | Proposed | Jens Tirsvad Nielsen | S02 | Initial version | [1cd27f7] |
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---
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Design objects are conceptual; in `create-project.sh` each becomes a small function group. [DCD-003] gives each object its class and turns each message below into a method signature. `ProjectCreator` and `ConfigLoader` are the design objects of [SD-001].
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## Sequence: startFromWorkingFolder
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**Realizes:** `startFromWorkingFolder` in [OC-002]
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### Diagram
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```plantuml
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@startuml
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actor Maintainer
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participant ":Launcher" as L
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participant ":ProjectCreator" as PC
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participant ":Checkout" as CK
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participant ":WorkingFolder" as WF
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Maintainer -> L : startFromWorkingFolder(configPath, envPath)
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activate L
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L -> L : resolveCheckout(invocation)
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create CK
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L -> CK : Checkout(path)
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L -> L : currentFolder()
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create WF
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L -> WF : WorkingFolder(path)
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alt the Checkout's own files are not found
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L --> Maintainer : error naming the folder looked in
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end
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L -> PC : startProjectCreation(checkout, workingFolder, configPath, envPath)
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activate PC
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alt config.env or .env not found, or a value malformed
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PC --> L : error naming the path or the key
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end
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PC --> L : promptSet
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deactivate PC
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L --> Maintainer : promptSet
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deactivate L
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@enduml
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```
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### Pattern Annotations
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| Pattern (GRASP / GoF) | Applied to | Rationale |
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| --- | --- | --- |
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| Information Expert | `Launcher.resolveCheckout` | The launcher knows how the script was invoked, so it is the one that can follow the command link |
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| Controller | `Launcher` | One object takes the system operation and hands the work to `ProjectCreator`; `ProjectCreator` stays unaware of links |
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| Low Coupling | `ProjectCreator` receives `checkout` and `workingFolder` as values | The use case [UC-001] runs unchanged whatever way the script was started |
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### Postcondition Coverage
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| Postcondition (from contract) | Satisfied by message |
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| --- | --- |
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| P1 Run | `startFromWorkingFolder` (the run starts with it) |
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| P2 Checkout | `resolveCheckout(invocation)` and the creation of `Checkout` |
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| P3 WorkingFolder | `currentFolder()` and the creation of `WorkingFolder` |
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| P4 default directory under the WorkingFolder | `startProjectCreation(checkout, workingFolder, ...)`; the prompt default is built from `workingFolder` |
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| P5 Configuration | `startProjectCreation` loads `config.env` and `.env` from `checkout` or from the given paths (`load` of [SD-001]) |
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| P6 PromptSet | the returned `promptSet` |
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| Exceptions: files not found; configuration not found or malformed | the two `alt` fragments |
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### Responsibility Check
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`Launcher` only finds the checkout and the working folder; it reads no configuration and makes no repository. `ProjectCreator` keeps every other responsibility of [SD-001].
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---
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[OC-002]: ./oc.md
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[DCD-003]: ./dcd.md
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[DICT-001]: ../dictionary.md
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[SD-001]: ../uc-001/sd.md
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[1cd27f7]: https://git.tirsystem.com/TirSystem-BashScript/repo_foundry/commit/1cd27f77ed844773a969210a11de0d8bb98ac98f
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