mirror of https://github.com/pikami/cosmium.git
118 lines
4.2 KiB
Go
118 lines
4.2 KiB
Go
package repositories
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import (
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"fmt"
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"log"
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"time"
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"github.com/google/uuid"
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repositorymodels "github.com/pikami/cosmium/internal/repository_models"
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"github.com/pikami/cosmium/internal/resourceid"
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"github.com/pikami/cosmium/parsers"
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"github.com/pikami/cosmium/parsers/nosql"
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memoryexecutor "github.com/pikami/cosmium/query_executors/memory_executor"
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"golang.org/x/exp/maps"
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)
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func GetAllDocuments(databaseId string, collectionId string) ([]repositorymodels.Document, repositorymodels.RepositoryStatus) {
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if _, ok := storeState.Databases[databaseId]; !ok {
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return make([]repositorymodels.Document, 0), repositorymodels.StatusNotFound
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}
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if _, ok := storeState.Collections[databaseId][collectionId]; !ok {
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return make([]repositorymodels.Document, 0), repositorymodels.StatusNotFound
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}
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return maps.Values(storeState.Documents[databaseId][collectionId]), repositorymodels.StatusOk
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}
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func GetDocument(databaseId string, collectionId string, documentId string) (repositorymodels.Document, repositorymodels.RepositoryStatus) {
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if _, ok := storeState.Databases[databaseId]; !ok {
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return repositorymodels.Document{}, repositorymodels.StatusNotFound
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}
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if _, ok := storeState.Collections[databaseId][collectionId]; !ok {
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return repositorymodels.Document{}, repositorymodels.StatusNotFound
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}
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if _, ok := storeState.Documents[databaseId][collectionId][documentId]; !ok {
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return repositorymodels.Document{}, repositorymodels.StatusNotFound
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}
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return storeState.Documents[databaseId][collectionId][documentId], repositorymodels.StatusOk
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}
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func DeleteDocument(databaseId string, collectionId string, documentId string) repositorymodels.RepositoryStatus {
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if _, ok := storeState.Databases[databaseId]; !ok {
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return repositorymodels.StatusNotFound
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}
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if _, ok := storeState.Collections[databaseId][collectionId]; !ok {
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return repositorymodels.StatusNotFound
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}
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if _, ok := storeState.Documents[databaseId][collectionId][documentId]; !ok {
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return repositorymodels.StatusNotFound
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}
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delete(storeState.Documents[databaseId][collectionId], documentId)
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return repositorymodels.StatusOk
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}
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func CreateDocument(databaseId string, collectionId string, document map[string]interface{}) (repositorymodels.Document, repositorymodels.RepositoryStatus) {
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var ok bool
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var documentId string
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var database repositorymodels.Database
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var collection repositorymodels.Collection
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if documentId, ok = document["id"].(string); !ok || documentId == "" {
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return repositorymodels.Document{}, repositorymodels.BadRequest
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}
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if database, ok = storeState.Databases[databaseId]; !ok {
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return repositorymodels.Document{}, repositorymodels.StatusNotFound
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}
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if collection, ok = storeState.Collections[databaseId][collectionId]; !ok {
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return repositorymodels.Document{}, repositorymodels.StatusNotFound
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}
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if _, ok := storeState.Documents[databaseId][collectionId][documentId]; ok {
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return repositorymodels.Document{}, repositorymodels.Conflict
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}
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document["_ts"] = time.Now().Unix()
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document["_rid"] = resourceid.NewCombined(database.ResourceID, collection.ResourceID, resourceid.New())
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document["_etag"] = fmt.Sprintf("\"%s\"", uuid.New())
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document["_self"] = fmt.Sprintf("dbs/%s/colls/%s/docs/%s/", database.ResourceID, collection.ResourceID, document["_rid"])
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storeState.Documents[databaseId][collectionId][documentId] = document
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return document, repositorymodels.StatusOk
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}
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func ExecuteQueryDocuments(databaseId string, collectionId string, query string, queryParameters map[string]interface{}) ([]memoryexecutor.RowType, repositorymodels.RepositoryStatus) {
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parsedQuery, err := nosql.Parse("", []byte(query))
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if err != nil {
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log.Printf("Failed to parse query: %s\nerr: %v", query, err)
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return nil, repositorymodels.BadRequest
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}
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collectionDocuments, status := GetAllDocuments(databaseId, collectionId)
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if status != repositorymodels.StatusOk {
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return nil, status
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}
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covDocs := make([]memoryexecutor.RowType, 0)
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for _, doc := range collectionDocuments {
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covDocs = append(covDocs, map[string]interface{}(doc))
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}
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if typedQuery, ok := parsedQuery.(parsers.SelectStmt); ok {
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typedQuery.Parameters = queryParameters
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return memoryexecutor.Execute(typedQuery, covDocs), repositorymodels.StatusOk
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}
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return nil, repositorymodels.BadRequest
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}
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