module.go

package itc

import (
	"context"
	"encoding/json"
	"fmt"

	"github.com/OmniFlix/omniflixhub/x/itc/client/cli"
	"github.com/cosmos/cosmos-sdk/types/module"
	"github.com/spf13/cobra"

	"github.com/gorilla/mux"
	"github.com/grpc-ecosystem/grpc-gateway/runtime"

	abci "github.com/tendermint/tendermint/abci/types"

	"github.com/OmniFlix/omniflixhub/x/itc/keeper"
	"github.com/OmniFlix/omniflixhub/x/itc/types"
	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/codec"
	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
)

var (
	_ module.AppModule      = AppModule{}
	_ module.AppModuleBasic = AppModuleBasic{}
)

// ----------------------------------------------------------------------------
// AppModuleBasic
// ----------------------------------------------------------------------------

// AppModuleBasic implements the AppModuleBasic interface for the itc module.
type AppModuleBasic struct {
	cdc codec.BinaryCodec
}

func NewAppModuleBasic(cdc codec.BinaryCodec) AppModuleBasic {
	return AppModuleBasic{cdc: cdc}
}

// Name returns the itc module's name.
func (AppModuleBasic) Name() string {
	return types.ModuleName
}

func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
	types.RegisterLegacyAminoCodec(cdc)
}

// RegisterInterfaces registers the module's interface types
func (a AppModuleBasic) RegisterInterfaces(reg cdctypes.InterfaceRegistry) {
	types.RegisterInterfaces(reg)
}

// DefaultGenesis returns the itc module's default genesis state.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
	return cdc.MustMarshalJSON(DefaultGenesisState())
}

// ValidateGenesis performs genesis state validation for the itc module.
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ client.TxEncodingConfig, bz json.RawMessage) error {
	var genState types.GenesisState
	if err := cdc.UnmarshalJSON(bz, &genState); err != nil {
		return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
	}
	return genState.ValidateGenesis()
}

// RegisterRESTRoutes registers the itc module's REST service handlers.
func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {}

// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the module.
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
	if err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)); err != nil {
		panic(err)
	}
}

// GetTxCmd returns the itc module's root tx command.
func (a AppModuleBasic) GetTxCmd() *cobra.Command {
	return cli.GetTxCmd()
}

// GetQueryCmd returns the itc module's root query command.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
	return cli.GetQueryCmd()
}

// ----------------------------------------------------------------------------
// AppModule
// ----------------------------------------------------------------------------

// AppModule implements the AppModule interface for the itc module.
type AppModule struct {
	AppModuleBasic

	keeper keeper.Keeper
}

func NewAppModule(cdc codec.Codec, keeper keeper.Keeper) AppModule {
	return AppModule{
		AppModuleBasic: NewAppModuleBasic(cdc),
		keeper:         keeper,
	}
}

// Name returns the itc module's name.
func (am AppModule) Name() string {
	return am.AppModuleBasic.Name()
}

// Route returns the itc module's message routing key.
func (am AppModule) Route() sdk.Route {
	return sdk.NewRoute(types.RouterKey, NewHandler(am.keeper))
}

// QuerierRoute returns the itc module's query routing key.
func (AppModule) QuerierRoute() string { return types.QuerierRoute }

// LegacyQuerierHandler returns the itc module's Querier.
func (am AppModule) LegacyQuerierHandler(_ *codec.LegacyAmino) sdk.Querier {
	return nil
}

// RegisterServices registers a GRPC query service to respond to the
// module-specific GRPC queries.
func (am AppModule) RegisterServices(cfg module.Configurator) {
	types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
	types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
}

// RegisterInvariants registers the itc module's invariants.
func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}

// InitGenesis performs the itc module's genesis initialization It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, gs json.RawMessage) []abci.ValidatorUpdate {
	var genState types.GenesisState
	// Initialize global index to index in genesis state
	cdc.MustUnmarshalJSON(gs, &genState)

	InitGenesis(ctx, am.keeper, genState)

	return []abci.ValidatorUpdate{}
}

// ExportGenesis returns the itc module's exported genesis state as raw JSON bytes.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
	genState := ExportGenesis(ctx, am.keeper)
	return cdc.MustMarshalJSON(genState)
}

// ConsensusVersion implements ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 { return 1 }

// BeginBlock executes all ABCI BeginBlock logic respective to the itc module.
func (am AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}

// EndBlock executes all ABCI EndBlock logic respective to the itc module. It
// returns no validator updates.
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
	return EndBlock(ctx, am.keeper)
}