Debucquoy Anthony
4f1a44549b
# Entity relational diagram
## Messaging extension
```mermaid
%%{init: { "er": {"fontSize": 25}}}%%
erDiagram
%% General
Users
%% Messages
Discussions{
Integer id PK
String name
}
Messages{
Integer id PK
Integer response FK "Messages"
String content
}
Discussions ||--o{ Messages: ""
Discussions ||--o{ Users: ""
Messages o|--o{ Messages: "answers"
%% Forums
Forums{
Integer id PK
String name
}
Topics{
Integer id PK
String subject
String content
Boolean locked
}
Answers{
Integer id PK
String content
Boolean anonymous
TimeStamp creation_time
}
Polls{
Integer id PK
enum PollType
}
Options{
Integer id PK
String name
}
Forums ||--o{ Users: "Registered"
Forums ||--|| Teacher: "Owner"
Forums ||--|| Course: ""
Forums ||--o{ Topics: ""
Forums ||--o{ Polls: ""
Topics ||--|| Teacher: "Author"
Topics ||--|| Users: "Author"
Topics ||--o{ Answers: ""
Polls ||--o{ Options: ""
Options ||--o{ Votes : ""
Votes }o--|| Users: "Voter"
%% Appointments
Teachers
Appointments{
Integer id PK
TIME sent_time
enum Status
}
Appointments ||--|| Teachers: ""
Appointments ||--|| Users: ""
```
Debucquoy Anthony
Co-authored-by: Debucquoy <debucqquoy.anthony@gmail.com>
Reviewed-on: #14
Reviewed-by: Maxime <231026@umons.ac.be>
88 lines
1.2 KiB
Markdown
88 lines
1.2 KiB
Markdown
# Entity relational diagram
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## Messaging extension
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```mermaid
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%%{init: { "er": {"fontSize": 25, "stroke": "black" }}}%%
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erDiagram
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%% General
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Users
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%% Messages
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Discussions{
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Integer id PK
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String name
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}
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Messages{
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Integer id PK
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Integer response FK "Messages"
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String content
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}
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Discussions ||--o{ Messages: ""
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Discussions ||--o{ Users: ""
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Messages o|--o{ Messages: "answers"
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%% Forums
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Forums{
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Integer id PK
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String name
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Integer course FK "Course"
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}
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Topics{
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Integer id PK
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String subject
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String content
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Boolean locked
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}
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Answers{
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Integer id PK
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String content
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Boolean anonymous
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TimeStamp creation_time
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}
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Polls{
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Integer id PK
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enum PollType
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}
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Options{
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Integer id PK
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String name
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}
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Forums ||--o{ Users: "Registered"
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Forums ||--|| Teacher: "Owner"
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Forums ||--o{ Topics: ""
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Forums ||--o{ Polls: ""
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Topics ||--|| Teacher: "Author"
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Topics ||--|| Users: "Author"
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Topics ||--o{ Answers: ""
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Polls ||--o{ Options: ""
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Options ||--o{ Votes : ""
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Votes }o--|| Users: "Voter"
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%% Appointments
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Teacher
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Appointments{
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Integer id PK
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Integer teacher FK "Teacher"
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TIME sent_time
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enum Status
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}
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Appointments ||--|| Users: ""
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```
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Debucquoy Anthony
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