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98 lines
3.0 KiB
Markdown
98 lines
3.0 KiB
Markdown
# Alliance Auth Helper-Functions API
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The following helper-functions are available in the `allianceauth.framework.api` module.
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They are intended to be used in Alliance Auth itself as well as in the community apps.
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These functions are intended to make the life of our community apps developer a little
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easier, so they don't have to reinvent the wheel all the time.
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## Evecharacter API
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### get_main_character_from_evecharacter
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This is to get the main character object (`EveCharacter`) of an `EveCharacter` object.
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Given we have an `EveCharacter` object called `my_evecharacter` and we want to get the main character:
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```python
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# Alliance Auth
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from allianceauth.framework.api.evecharacter import get_main_character_from_evecharacter
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main_character = get_main_character_from_evecharacter(character=my_evecharacter)
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```
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Now, `main_character` is an `EveCharacter` object, or `None` if the `EveCharacter` has no main character.
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### get_user_from_evecharacter
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This is to get the user object (`User`) of an `EveCharacter` object.
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Given we have an `EveCharacter` object called `my_evecharacter` and we want to get the user:
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```python
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# Alliance Auth
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from allianceauth.framework.api.evecharacter import get_user_from_evecharacter
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user = get_user_from_evecharacter(character=my_evecharacter)
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```
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Now, `user` is a `User` object, or the sentinel username (see [get_sentinel_user](#get-sentinel-user))
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if the `EveCharacter` has no user.
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## User API
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### get_main_character_from_user
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This is to get the main character object (`EveCharacter`) of a user.
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Given we have a `User` object called `my_user` and we want to get the main character:
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```python
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# Alliance Auth
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from allianceauth.framework.api.user import get_main_character_from_user
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main_character = get_main_character_from_user(user=my_user)
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```
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Now, `main_character` is an `EveCharacter` object, or `None` if the user has no main
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character or the user is `None`.
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### get_main_character_name_from_user
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This is to get the name of the main character from a user.
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Given we have a `User` object called `my_user` and we want to get the main character name:
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```python
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# Alliance Auth
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from allianceauth.framework.api.user import get_main_character_name_from_user
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main_character = get_main_character_name_from_user(user=my_user)
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```
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Now, `main_character` is a `string` containing the user's main character name.
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If the user has no main character, the username will be returned. If the user is `None`,
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the sentinel username (see [get_sentinel_user](#get-sentinel-user)) will be returned.
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### get_sentinel_user
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This function is useful in models when using `User` model-objects as foreign keys.
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Django needs to know what should happen to those relations when the user is being
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deleted. To keep the data, you can have Django map this to the sentinel user.
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Import:
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```python
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# Alliance Auth
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from allianceauth.framework.api.user import get_sentinel_user
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```
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And later in your model:
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```python
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creator = models.ForeignKey(
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to=User,
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on_delete=models.SET(get_sentinel_user),
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)
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```
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