src/draw.md

+## DRAW
+
+Draw-folder follows the usual logic containing a controller, a service, a DTO and an entity file.
+
+## draw.controller.ts
+
+Contains two routes, which are all prefixed with url `draw`.
+
+### insert a map drawing, PUT /draw/mapdrawing/{game's UUID}
+
+- Body must contain a MapDrawing JSON-object as specified in [`coordinate.dto.ts`](./dtos#mapdrawingdto):
+
+- Must be sent with authorization header containing a Bearer token
+
+- GameState must be in `CREATED`, `STARTED` or `PAUSED` state for the request to pass
+
+- User's gameperson role must be `admin` or `factionleader`
+
+### fetch map drawings, GET /draw/map/{game's UUID}
+
+- User must have a gameperson entry in the database
+
+## draw.service.ts
+
+Contains three functions
+
+### draw(data: [MapDrawingDTO](./dtos#mapdrawingdto))
+
+- Throws an exception if updating a drawing that is not part of your faction
+
+- Creates a new drawing entry in database if the mapdrawingId is not present in the DTO
+
+- Updates the mapdrawing matching the DTO's mapdrawingId
+
+#### private createHistory()
+
+- Helper function for draw-function, that creates and entry in the mapdrawinghistory table
+
+### drawMap(data: gameperson, gameId)
+
+- Returns the faction's and admins map drawings and all drawings if the person requesting them has role `admin`
+
+## coordinate.entity.ts
+
+Reflects the datababse table for mapdrawing and their history.
+
+OwnershipCheck function is used to check if the person updating the drawing was is in the same group as it's creator.