[Mobile] Implemented Project Activity Tracking System

[amlannandy]

Description

This PR implements the Project Activity Tracking System in the Mobile Application, using the backend features implemented in #604 . The detailed changes are listed below commit-wise:

Commit 1

• Created Log model
• Added recent activtity logs list to Project model

Commit 2

• Created recent activity section in ProjectDetailsScreen which shows last 5 logs of the project
• Added a 'More' button option which goes to an empty ProjectActivityScreen when clicked
• Created routing for the ActivityLogsScreen

Commit 3

• Created route for fetching all activity logs of a project
• Created a ProjectActivityBloc and ProjectActivityState for state management
• Implemented the functionality to view all activity logs in ProjectActivityScreen

Commit 4

• Added a loading indicator in ProjectActivityScreen
• Implemented color coding in logs in ProjectActivityScreen

Commit 5

• Created UI for the filters bottom sheet
• Created a reusable dropdown widget

Commit 6

• Used ProjectDetailBloc in the bottom sheet to get names of all project members for member-specific filtering
• Replaced text field for member name with dropdown for better experience

Commit 7

• Implemented routes for fetching category-specific and member-specific logs
• Completed the filtering functionality in ProjectActivityScreen

Commit 8

• Ran into a small issue during development. That in the logs controller in API, we were fetching member specific logs using user_id. But in the ProjectDetailBloc, we only had email of members.
• So, I modified the API route to fetch member logs using email

Commit 9

• Implemented the functionality to view logs specific to a particular entity (image, model, label etc).
• Implemented the route to fetch entity specific logs
• Created a new to route to view ProjectActivityScreen only for entities
• Added functionality to view these logs for models, images and labels.

Commit 10

• Added a empty placeholder in ProjectActivityScreen to show when there are no logs.

Fixes #593

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

Demo video has been provided below

Test Configuration:

• Realme 3 Pro
• Android 10

https://user-images.githubusercontent.com/45410599/121487751-064d5f00-c9f0-11eb-9c9c-55d2b236db26.mp4

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules