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querier.go
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/
querier.go
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package keeper
import (
"fmt"
"github.com/commercionetwork/commercionetwork/x/docs/internal/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/types"
)
// NewQuerier is the module level router for state queries
func NewQuerier(keeper Keeper) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err sdk.Error) {
switch path[0] {
case types.QueryReceivedDocuments:
return queryGetReceivedDocuments(ctx, path[1:], keeper)
case types.QuerySentDocuments:
return queryGetSentDocuments(ctx, path[1:], keeper)
case types.QueryReceivedReceipts:
return queryGetReceivedDocsReceipts(ctx, path[1:], keeper)
case types.QuerySentReceipts:
return queryGetSentDocsReceipts(ctx, path[1:], keeper)
case types.QuerySupportedMetadataSchemes:
return querySupportedMetadataSchemes(ctx, path[1:], keeper)
case types.QueryTrustedMetadataProposers:
return queryTrustedMetadataProposers(ctx, path[1:], keeper)
default:
return nil, sdk.ErrUnknownRequest(fmt.Sprintf("Unknown %s query endpoint", types.ModuleName))
}
}
}
// ----------------------------------
// --- Documents
// ----------------------------------
func queryGetReceivedDocuments(ctx sdk.Context, path []string, keeper Keeper) ([]byte, sdk.Error) {
addr := path[0]
address, _ := sdk.AccAddressFromBech32(addr)
ri := keeper.UserReceivedDocumentsIterator(ctx, address)
defer ri.Close()
receivedResult := []types.Document{}
for ; ri.Valid(); ri.Next() {
documentUUID := ""
keeper.cdc.MustUnmarshalBinaryBare(ri.Value(), &documentUUID)
document, err := keeper.GetDocumentByID(ctx, documentUUID)
if err != nil {
return nil, sdk.ErrUnknownRequest(
fmt.Sprintf(
"could not find document with UUID %s even though the user has an associated received document",
documentUUID,
),
)
}
receivedResult = append(receivedResult, document)
}
bz, err2 := codec.MarshalJSONIndent(keeper.cdc, receivedResult)
if err2 != nil {
return nil, sdk.ErrUnknownRequest("Could not marshal result to JSON")
}
return bz, nil
}
func queryGetSentDocuments(ctx sdk.Context, path []string, keeper Keeper) ([]byte, sdk.Error) {
addr := path[0]
address, _ := sdk.AccAddressFromBech32(addr)
usdi := keeper.UserSentDocumentsIterator(ctx, address)
defer usdi.Close()
receivedResult := []types.Document{}
for ; usdi.Valid(); usdi.Next() {
documentUUID := ""
keeper.cdc.MustUnmarshalBinaryBare(usdi.Value(), &documentUUID)
document, err := keeper.GetDocumentByID(ctx, documentUUID)
if err != nil {
return nil, sdk.ErrUnknownRequest(
fmt.Sprintf(
"could not find document with UUID %s even though the user has an associated received document",
documentUUID,
),
)
}
receivedResult = append(receivedResult, document)
}
bz, err2 := codec.MarshalJSONIndent(keeper.cdc, receivedResult)
if err2 != nil {
return nil, sdk.ErrUnknownRequest("Could not marshal result to JSON")
}
return bz, nil
}
// ----------------------------------
// --- Documents receipts
// ----------------------------------
func queryGetReceivedDocsReceipts(ctx sdk.Context, path []string, keeper Keeper) ([]byte, sdk.Error) {
addr := path[0]
address, _ := sdk.AccAddressFromBech32(addr)
var uuid string
if len(path) == 2 {
uuid = path[1]
}
receipts := []types.DocumentReceipt{}
ri := keeper.UserReceivedReceiptsIterator(ctx, address)
defer ri.Close()
for ; ri.Valid(); ri.Next() {
rid := ""
keeper.cdc.MustUnmarshalBinaryBare(ri.Value(), &rid)
newReceipt, err := keeper.GetReceiptByID(ctx, rid)
if err != nil {
return nil, sdk.ErrUnknownRequest(
fmt.Sprintf(
"could not find document receipt with UUID %s even though the user has an associated received document with it",
rid,
),
)
}
if uuid == "" {
receipts = append(receipts, newReceipt)
continue
}
if newReceipt.DocumentUUID == uuid {
receipts = append(receipts, newReceipt)
}
}
bz, err := codec.MarshalJSONIndent(keeper.cdc, &receipts)
if err != nil {
return nil, sdk.ErrUnknownRequest("Could not marshal result to JSON")
}
return bz, nil
}
func queryGetSentDocsReceipts(ctx sdk.Context, path []string, keeper Keeper) ([]byte, sdk.Error) {
addr := path[0]
address, err := sdk.AccAddressFromBech32(addr)
if err != nil {
return nil, sdk.ErrInvalidAddress(addr)
}
receipts := []types.DocumentReceipt{}
ri := keeper.UserSentReceiptsIterator(ctx, address)
defer ri.Close()
for ; ri.Valid(); ri.Next() {
rid := ""
keeper.cdc.MustUnmarshalBinaryBare(ri.Value(), &rid)
newReceipt, err := keeper.GetReceiptByID(ctx, rid)
if err != nil {
return nil, sdk.ErrUnknownRequest(
fmt.Sprintf(
"could not find document receipt with UUID %s even though the user has an associated received document with it",
rid,
),
)
}
receipts = append(receipts, newReceipt)
}
bz, err := codec.MarshalJSONIndent(keeper.cdc, &receipts)
if err != nil {
return nil, sdk.ErrUnknownRequest("Could not marshal result to JSON")
}
return bz, nil
}
// ----------------------------------
// --- Document metadata schemes
// ----------------------------------
func querySupportedMetadataSchemes(ctx sdk.Context, _ []string, keeper Keeper) ([]byte, sdk.Error) {
si := keeper.SupportedMetadataSchemesIterator(ctx)
defer si.Close()
schemes := []types.MetadataSchema{}
for ; si.Valid(); si.Next() {
var ms types.MetadataSchema
keeper.cdc.MustUnmarshalBinaryBare(si.Value(), &ms)
schemes = append(schemes, ms)
}
bz, err := codec.MarshalJSONIndent(keeper.cdc, &schemes)
if err != nil {
return nil, sdk.ErrUnknownRequest("Could not marshal result to JSON")
}
return bz, nil
}
// -----------------------------------------
// --- Document metadata schemes proposers
// -----------------------------------------
func queryTrustedMetadataProposers(ctx sdk.Context, _ []string, keeper Keeper) ([]byte, sdk.Error) {
pi := keeper.TrustedSchemaProposersIterator(ctx)
defer pi.Close()
proposers := []sdk.AccAddress{}
for ; pi.Valid(); pi.Next() {
aa := sdk.AccAddress{}
keeper.cdc.MustUnmarshalBinaryBare(pi.Value(), &aa)
proposers = append(proposers, aa)
}
bz, err := codec.MarshalJSONIndent(keeper.cdc, &proposers)
if err != nil {
return nil, sdk.ErrUnknownRequest("Could not marshal result to JSON")
}
return bz, nil
}