2 remove dependency on mongodb

[Zingzy]

This PR addresses Issue #2

Summary by Sourcery

Remove dependency on MongoDB and refactor image generation.

Enhancements:

• Refactor error handling and image generation logic.
• Improve progress reporting during multi-image generation.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request removes the dependency on MongoDB and refactors the code to use the discord interaction metadata to store the author of the image. It also adds error handling for the image generation process.

Sequence diagram for image generation with new error handling

sequenceDiagram
    participant U as User
    participant B as Bot
    participant A as API
    participant D as Discord
    U->>B: /imagine command
    B->>B: validate_dimensions()
    B->>B: validate_prompt()
    B->>A: generate_image()
    alt Success
        A->>B: Return image
        B->>D: Store author in interaction metadata
        B->>U: Send image with buttons
    else Error
        A->>B: Return error
        B->>B: Handle specific error type
        B->>U: Send error message
    end

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Class diagram showing refactored error handling

classDiagram
    class AppCommandError {
        <<Discord>>
    }
    class PromptTooLongError {
        +message: str
    }
    class DimensionTooSmallError {
        +message: str
    }
    class NoImagesGeneratedError {
        +message: str
    }
    class ImageGenerationError {
        +message: str
        +model_index: int
    }
    class APIError {
        +message: str
    }
    AppCommandError <|-- PromptTooLongError
    AppCommandError <|-- DimensionTooSmallError
    Exception <|-- NoImagesGeneratedError
    Exception <|-- ImageGenerationError
    Exception <|-- APIError

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File-Level Changes

Change	Details	Files
Removed MongoDB dependency	Removed all code related to MongoDB. Removed the pymongo dependency.	cogs/multi_pollinate_cog.py cogs/imagine_cog.py main.py requirements.txt pyproject.toml
Refactored image generation logic	Moved image generation logic to a new file utils/image_gen_utils.py. Added error handling for image generation. Added a new file utils/embed_utils.py to handle embed generation. Added a new file utils/error_handler.py to handle error messages. Added a new file exceptions.py to handle custom exceptions. Added a new file utils/pollinate_utils.py to handle url parsing. Refactored the multi_pollinate command to use the new image generation logic. Refactored the imagine command to use the new image generation logic. Added a new safe parameter to the imagine command. Added a new safe parameter to the generate_image function. Added a new refresh_models task to refresh the models every 5 minutes. Added a new WAITING_GIFS constant to display a random gif while the image is being generated.	cogs/multi_pollinate_cog.py cogs/imagine_cog.py utils/image_gen_utils.py utils/embed_utils.py utils/error_handler.py exceptions.py utils/pollinate_utils.py
Refactored button interactions	Refactored the button interactions to use the discord interaction metadata to store the author of the image. Refactored the button interactions to use the new error handling logic.	cogs/multi_pollinate_cog.py cogs/imagine_cog.py
Added new error handling	Added a new file utils/error_handler.py to handle error messages. Added a new file exceptions.py to handle custom exceptions. Added error handling for the multi_pollinate command. Added error handling for the imagine command. Added error handling for the random command.	cogs/multi_pollinate_cog.py cogs/imagine_cog.py cogs/random_cog.py utils/error_handler.py exceptions.py
Updated dependencies	Updated the dependencies in requirements.txt. Updated the dependencies in pyproject.toml.	requirements.txt pyproject.toml

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[sourcery-ai]

Hey @Zingzy - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[sourcery-ai]

issue (code-quality): We've found these issues:

• Merge dictionary assignment with declaration (merge-dict-assign)
• Explicitly raise from a previous error (raise-from-previous-error)