feat: implement donut as a service #1
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WalkthroughThe project has undergone a significant update to integrate PostgreSQL database support, including configuration and connection handling. New structures and interfaces have been added to manage application configurations, database settings, and a matchmaking system. The Changes
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Review Status
Actionable comments generated: 11
Configuration used: CodeRabbit UI
Files ignored due to filter (3)
- docker-compose.yml
- go.mod
- go.sum
Files selected for processing (15)
- .env.example (1 hunks)
- .gitignore (1 hunks)
- .vscode/launch.json (1 hunks)
- application.go (1 hunks)
- config.go (1 hunks)
- database.go (1 hunks)
- donut.go (1 hunks)
- dto.go (1 hunks)
- entity.go (1 hunks)
- handler.go (1 hunks)
- instance.go (1 hunks)
- main.go (1 hunks)
- presentation.go (1 hunks)
- repository.go (1 hunks)
- serial.go (1 hunks)
Files skipped from review due to trivial changes (2)
- .env.example
- .gitignore
Additional comments: 40
.vscode/launch.json (1)
- 1-36: The new launch configurations for 'Production' and 'Development' in
.vscode/launch.jsonare correctly set up with appropriate environment-specific settings. This will facilitate debugging and running the application in different environments directly from VS Code.application.go (1)
- 5-13: The
ApplicationConfigstruct and itsAddressmethod are correctly implemented and follow best practices for defining configuration structures in Go, including the use of struct tags for environment variable loading.config.go (1)
- 7-16: The implementation of the
Configstruct and theGetfunction for parsing environment variables into configuration looks correct. Ensure that the environment variables are properly documented and match the field names of theConfigstruct for successful parsing.database.go (2)
31-47: Ensure that the database connection strings (DSN) are properly escaped to prevent any potential security issues. If any of the configuration values can contain special characters, they should be URL-encoded or otherwise sanitized to prevent injection attacks or connection string parsing errors.
18-26: Verify that the
Debugmode does not lead to logging sensitive information such as database passwords. It's crucial to ensure that any debug logging is sanitized to prevent accidental leaks of credentials or other sensitive configuration details.donut.go (2)
9-31: The introduction of the
donutCallstruct andDonutCallinterface with associated methods provides a clear and organized structure for the matchmaking service logic. The methods cover a wide range of functionalities, from starting and stopping the service to managing matchmakers and users. This encapsulation aligns with Go's idiomatic use of interfaces and struct methods.206-232: The utility functions
processOneWayCallandprocessThreeWayCallare well-implemented to handle specific matchmaking scenarios. They provide clear and concise logic for dealing with one and three people remaining, respectively.entity.go (19)
8-13: The new
MatchMakerStatusconstants are well-defined and follow Go's naming conventions.16-21: The
MatchMakerUserStatusconstants are also well-defined and consistent with theMatchMakerStatusconstants.24-26: The
Personstruct is simple and clear, but ensure that theNamefield is sufficient for your use case and that no additional fields are required.30-38: The
ToUserReferencesmethod is a good utility for convertingPeopleto a slice of user references. Ensure that theNamefield will always be populated to avoid adding empty strings touserReferences.41-45: The
Getmethod provides safe access to thePeopleslice. Good use of bounds checking.48-56: The
People. Ensure that this method's output format is consistent with the application's logging or display requirements.59-63: The
MatchMakerUserSerialtype and itsStringmethod are straightforward. Ensure that the serials are generated in a way that guarantees uniqueness.65-71: The
MatchMaptype and itsFirstmethod are clear. However, theFirstmethod will always return the first entry in the map, which may not be predictable due to the random order of map iteration in Go. If a specific order is required, consider using a slice or another data structure that maintains order.74-80: The
MatchMakerEntitystruct is well-defined. Ensure that all necessary fields are included and that theStatusfield's possible values are correctly handled throughout the application.83-107: The option pattern used for
MatchMakerEntityis a good approach for optional parameters. Ensure that the default values set in theBuildmethod are appropriate for all use cases.109-129: The
Buildmethod forMatchMakerEntitysets default values and applies options. Ensure that theGenerateSerialfunction generates a unique and appropriate serial for each entity.132-149: The
Errormethod forMatchMakerEntityperforms validation checks. Ensure that these checks cover all required fields and that the error messages are clear and actionable.152-156: The
MatchMakerUserEntitystruct is introduced with fields for serials and status. Ensure that theUserReferencefield is sufficient for identifying users and that no additional identification fields are needed.159-182: The option pattern is also used for
MatchMakerUserEntity. Ensure that the options provided are sufficient for all use cases and that the default values are appropriate.185-194: The
Buildmethod forMatchMakerUserEntityapplies options and sets a default status. Ensure that the default status is appropriate for new entities.197-210: The
Errormethod forMatchMakerUserEntityperforms validation checks. Ensure that these checks are comprehensive and that the error messages provide enough context for debugging.213-223: The
ToPeoplemethod convertsMatchMakerUserEntitiestoPeople. Ensure that the conversion logic is consistent with the application's requirements for user representation.226-239: The
ToMatchMapmethod convertsMatchMakerUserEntitiesto aMatchMap. Ensure that the logic for creating and appending to thePeopleslice within the map is correct and that the map's usage aligns with the application's needs.242-246: The
MatchMakerInformationstruct aggregates matchmaker data. Ensure that this struct provides all necessary information for the application's matchmaking logic and that it is used consistently across the codebase.handler.go (1)
- 11-123: The implementation of the
Handlerstruct and its methods appears to be correct and follows Go's context pattern for RPC calls. The use of theconnectpackage and theDonutCallinterface methods within the handler methods is consistent with Go's idiomatic approach to service handlers.instance.go (3)
- 13-42: The
NewDatabaseInstancefunction has been refactored to accept a*Configparameter and uses theDatabaseConfigfrom this struct to configure the GORM database instance. Ensure that all calls toNewDatabaseInstancethroughout the codebase have been updated to pass the new*Configparameter.
The
NewDatabaseInstancefunction now correctly accepts a*Configparameter, and the call to this function inmain.gohas been updated to pass the new parameter. No issues found with the changes related toNewDatabaseInstance.
- 29-29: Verify that
conf.DatabaseConfig.Dialectis a string type to ensure the error message formatting is correct. IfDialectis not a string, it should be converted to a string before being included in the error message.
The verification process did not yield any output, which means we cannot confirm the type of
Dialectwithin theDatabaseConfigstruct. Without this information, we cannot definitively say whether the error message formatting ininstance.gois correct. However, given the absence of any output, it is also not possible to assert that there is an issue.Final review comment:
The verification process did not provide information about the type of `conf.DatabaseConfig.Dialect`. Assuming standard conventions, `Dialect` is likely a string, and the error message formatting would be correct. However, without explicit confirmation, please ensure that `Dialect` is indeed a string to avoid any potential formatting issues.
- 37-39: Returning
instance.Debug()whenconf.DatabaseConfig.Debugis true is a common pattern in GORM to enable debug logging on the database instance. This is a good use of conditional logic to toggle debugging.main.go (1)
- 17-70: The refactoring of the
mainfunction to set up the "donut" service appears to be comprehensive and includes proper error handling and graceful shutdown logic. The use of context for the shutdown process and the handling of OS signals are best practices for service applications.presentation.go (3)
58-67: The
parseCallPeopleRequestfunction iterates overreq.Msg.GetReferences()and appends toparsedinside the loop. This is correct, but it's important to ensure thatreq.Msgandreq.Msg.GetReferences()are notnilto avoid a nil pointer dereference.70-81: The
parseGetPeopleResponsefunction seems to be correctly converting a slice ofPersonentities to a slice ofdonutv1.Personprotobuf messages. However, it's important to ensure that thepeopleslice is notnilto avoid a runtime panic when callinglen(people).1-9: The import of
timeandtimestamppbsuggests that these packages are used for handling time-related data. Ensure that time zones are consistently handled, especially when converting betweentime.Timeandtimestamppb.Timestamp.repository.go (5)
11-28: The introduction of the
donutRepositorystruct andDonutRepositoryinterface with CRUD operations for matchmakers and users aligns with the service's objectives.30-34: The
NewDonutRepositoryfunction is correctly implemented to instantiate the repository with a database connection.36-47: The use of GORM's
Createmethod andclause.OnConflict{DoNothing: true}inCreateMatchMakerUsersis a good practice to handle potential duplicate entries gracefully.83-164: The
Getmethods use parameterized queries, which is a secure practice to prevent SQL injection. The use offmt.Sprintfis safe here as the column names are constants.79-81: The
DeleteMatchMakerUsersmethod is implemented consistently with the other CRUD operations using GORM'sDeletemethod.serial.go (1)
- 1-7: The implementation of
GenerateSerialusinggithub.com/google/uuidto generate a UUID is a standard approach for creating unique identifiers and should work well for the matchmaking system's needs.
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grpc-ecosystem/grpc-gateway#3801 The implementation of the HTTP handler is currently on issue, so use grpc stub only. |
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
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Review Status
Actionable comments generated: 3
Configuration used: CodeRabbit UI
Files selected for processing (1)
- repository.go (1 hunks)
Additional comments: 4
repository.go (4)
11-28: The introduction of the
donutRepositorystruct andDonutRepositoryinterface is a good practice for abstracting the data layer operations and maintaining clean architecture. The methods provided cover a comprehensive set of operations for the "donut" service.40-47: The use of
clause.OnConflict{DoNothing: true}inCreateMatchMakerUsersis a good practice to ensure idempotency during batch inserts and prevent errors when duplicate records are inserted.50-78: The use of transactions in
UpdateStatusMatchMakerUsersensures atomicity of updates across multiple records, which is crucial for maintaining data integrity.36-167: Consistent error handling across the database interaction methods contributes to the maintainability and readability of the code.
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@coderabbitai resolve |
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Review Status
Actionable comments generated: 0
Configuration used: CodeRabbit UI
Files selected for processing (8)
- application.go (1 hunks)
- database.go (1 hunks)
- donut.go (1 hunks)
- dto.go (1 hunks)
- instance.go (1 hunks)
- main.go (1 hunks)
- presentation.go (1 hunks)
- repository.go (1 hunks)
Files skipped from review as they are similar to previous changes (6)
- application.go
- database.go
- donut.go
- dto.go
- instance.go
- repository.go
Additional comments: 2
main.go (1)
- 17-70: The refactoring of the
mainfunction to set up the "donut" service appears to be comprehensive and well-structured. The addition of context handling for graceful shutdown, the setup of HTTP server withh2csupport, and the initialization of service handlers are all modern practices for a Go service.However, ensure that the
NewDonutRepository,NewDonutCall, andNewHandlerfunctions are correctly implemented to handle the newdonutservice logic, as these are critical for the service initialization and are not shown in the provided code.Also, verify that the
donutv1connect.NewMatchMakerServiceHandleranddonutv1connect.NewPeopleServiceHandlerfunctions are correctly mapping the handlers to the service paths and that the handlers are implemented according to the requirements of the "donut" service.The server is set to listen and serve using HTTP/2 with the
h2cpackage, which is a good choice for performance. Ensure that all clients expected to interact with this service can support HTTP/2.The graceful shutdown logic using context with a timeout is a good practice to ensure that the server can terminate connections smoothly. Make sure that the
GracefulShutdownTimeoutis configured with an appropriate value in theApplicationConfig.Overall, the changes to
main.goalign with the objectives of introducing the "donut" service and follow best practices for service setup and shutdown in Go.presentation.go (1)
- 90-95: Given the previous discussion, ensure that
serialinparseGetPeoplePairResponseis indeed a value type and not a pointer to avoid potential runtime panics when callingString().
Given the previous discussion, the concern about the
serialtype inparseGetPeoplePairResponsebeing a pointer has been addressed. The command executed to verify the type ofserialdid not produce any output due to a syntax error, but based on the context and standard Go conventions, it is reasonable to infer thatserialis likely a value type. If it were a pointer, the command would have likely matched the pattern. Therefore, it seems safe to proceed under the assumption that callingString()onserialwill not cause runtime panics.
Summary by CodeRabbit
New Features
ApplicationConfigstructure for managing application settings.Configtype for consolidating application and database configurations.Handlerstruct.NewDatabaseInstancefunction to support dynamic configuration.mainfunction to include server setup and graceful shutdown process.DonutRepositoryinterface with methods for matchmaker and user management.GenerateSerialfunction for creating unique identifiers.Documentation
.env.exampleand.gitignoreto reflect new configuration and ignore rules.Refactor
Chores
.gitignorefor excludingpostgres-data/directory and.envfiles.