Models change for InaSAFE v4

[lucernae]

Listed here is necessary model changes to store Hazard Data.

Earthquake

• [ ] shake_grid_xml: store shake_grid file content into an xml text.
• [ ] hazard_path: The path to associated hazard layer. Set to None if needs to be generated.
• [ ] source_type: Post processed or initial shake data
• [ ] generated_time: store time in utc of when the output is finished generated
• [ ] shake_id: should not be unique, because there might be some shake with the same ID.
• [ ] inasafe_version: store inasafe version of analysis result.
• [ ] has_reports: property (not a field) that tells if the event already has reports

EarthquakeGroup:

• [ ] shake_group_id: shake_id that is decided to be a shake_group_id
• [ ] shake_id: associate shake_id that belongs to the same group

EarthquakeMMIContour:

• [ ] shake_id: associated shake_id of the contour
• [ ] contour_polygon: the contour polygon
• [ ] mmi_level: MMI Level of the contour

Flood:

• [ ] hazard_path: The path to associated hazard layer. Set to None if needs to be generated.
• [ ] impact_layer: delete this. because it was going to be on the fly processing. Set to None if needs to be generated.
• [ ] has_reports: property (not a field) that tells if the event already has reports
• [ ] inasafe_version: store inasafe version of analysis result.
• [ ] source_type: source of the api. only petabencana for now.

Ash:

• [ ] hazard_path: The path to associated hazard layer. Set to None if needs to be generated.
• [ ] has_reports: property (not a field) that tells if the event already has reports
• [ ] inasafe_version: store inasafe version of analysis result.

[lucernae]

cc @ismailsunni @myarjunar this is a draft of the models.