203 lines
7.2 KiB
Go
203 lines
7.2 KiB
Go
package database
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import (
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"context"
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"fmt"
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"github.com/fastenhealth/fastenhealth-onprem/backend/pkg/config"
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"github.com/fastenhealth/fastenhealth-onprem/backend/pkg/models"
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"github.com/gin-gonic/gin"
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"github.com/glebarez/sqlite"
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"github.com/sirupsen/logrus"
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"gorm.io/gorm"
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"net/url"
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)
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func NewRepository(appConfig config.Interface, globalLogger logrus.FieldLogger) (DatabaseRepository, error) {
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//backgroundContext := context.Background()
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Gorm/SQLite setup
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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globalLogger.Infof("Trying to connect to sqlite db: %s\n", appConfig.GetString("web.database.location"))
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// When a transaction cannot lock the database, because it is already locked by another one,
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// SQLite by default throws an error: database is locked. This behavior is usually not appropriate when
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// concurrent access is needed, typically when multiple processes write to the same database.
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// PRAGMA busy_timeout lets you set a timeout or a handler for these events. When setting a timeout,
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// SQLite will try the transaction multiple times within this timeout.
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// fixes #341
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// https://rsqlite.r-dbi.org/reference/sqlitesetbusyhandler
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// retrying for 30000 milliseconds, 30seconds - this would be unreasonable for a distributed multi-tenant application,
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// but should be fine for local usage.
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pragmaStr := sqlitePragmaString(map[string]string{
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"busy_timeout": "30000",
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"foreign_keys": "ON",
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})
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database, err := gorm.Open(sqlite.Open(appConfig.GetString("web.database.location")+pragmaStr), &gorm.Config{
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//TODO: figure out how to log database queries again.
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//Logger: logger
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DisableForeignKeyConstraintWhenMigrating: true,
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})
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if err != nil {
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return nil, fmt.Errorf("Failed to connect to database! - %v", err)
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}
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globalLogger.Infof("Successfully connected to scrutiny sqlite db: %s\n", appConfig.GetString("web.database.location"))
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//TODO: automigrate for now
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err = database.AutoMigrate(
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&models.User{},
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&models.Source{},
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&models.ResourceFhir{},
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)
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if err != nil {
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return nil, fmt.Errorf("Failed to automigrate! - %v", err)
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}
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// create/update admin user
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adminUser := models.User{}
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err = database.FirstOrCreate(&adminUser, models.User{Username: "admin"}).Error
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if err != nil {
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return nil, fmt.Errorf("Failed to create admin user! - %v", err)
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}
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deviceRepo := sqliteRepository{
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appConfig: appConfig,
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logger: globalLogger,
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gormClient: database,
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}
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return &deviceRepo, nil
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}
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type sqliteRepository struct {
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appConfig config.Interface
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logger logrus.FieldLogger
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gormClient *gorm.DB
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}
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func (sr *sqliteRepository) Close() error {
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return nil
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// User
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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func (sr *sqliteRepository) CreateUser(ctx context.Context, user *models.User) error {
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if err := user.HashPassword(user.Password); err != nil {
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return err
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}
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record := sr.gormClient.Create(&user)
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if record.Error != nil {
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return record.Error
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}
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return nil
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}
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func (sr *sqliteRepository) GetUserByEmail(ctx context.Context, username string) (*models.User, error) {
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var foundUser models.User
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result := sr.gormClient.Model(models.User{}).Where(models.User{Username: username}).First(&foundUser)
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return &foundUser, result.Error
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}
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func (sr *sqliteRepository) GetCurrentUser(ctx context.Context) models.User {
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ginCtx := ctx.(*gin.Context)
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var currentUser models.User
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sr.gormClient.Model(models.User{}).First(¤tUser, models.User{Username: ginCtx.MustGet("AUTH_USERNAME").(string)})
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return currentUser
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Resource
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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func (sr *sqliteRepository) UpsertResource(ctx context.Context, resourceModel models.ResourceFhir) error {
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sr.logger.Infof("insert/update (%T) %v", resourceModel, resourceModel)
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if sr.gormClient.Debug().WithContext(ctx).Model(&resourceModel).
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Where(models.OriginBase{
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SourceID: resourceModel.GetSourceID(),
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SourceResourceID: resourceModel.GetSourceResourceID(),
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SourceResourceType: resourceModel.GetSourceResourceType(), //TODO: and UpdatedAt > old UpdatedAt
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}).Updates(&resourceModel).RowsAffected == 0 {
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sr.logger.Infof("resource does not exist, creating: %s %s %s", resourceModel.GetSourceID(), resourceModel.GetSourceResourceID(), resourceModel.GetSourceResourceType())
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return sr.gormClient.Debug().Model(&resourceModel).Create(&resourceModel).Error
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}
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return nil
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}
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func (sr *sqliteRepository) ListResources(ctx context.Context, sourceResourceType string, sourceResourceId string) ([]models.ResourceFhir, error) {
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queryParam := models.ResourceFhir{
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OriginBase: models.OriginBase{
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UserID: sr.GetCurrentUser(ctx).ID,
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SourceResourceType: sourceResourceType,
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},
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}
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if len(sourceResourceId) > 0 {
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queryParam.SourceResourceID = sourceResourceId
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}
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var wrappedResourceModels []models.ResourceFhir
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results := sr.gormClient.WithContext(ctx).
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Where(queryParam).
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Find(&wrappedResourceModels)
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return wrappedResourceModels, results.Error
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Source
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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func (sr *sqliteRepository) CreateSource(ctx context.Context, sourceCreds *models.Source) error {
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sourceCreds.UserID = sr.GetCurrentUser(ctx).ID
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if sr.gormClient.WithContext(ctx).Model(&sourceCreds).
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Where(models.Source{
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UserID: sourceCreds.UserID,
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SourceType: sourceCreds.SourceType,
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PatientId: sourceCreds.PatientId}).Updates(&sourceCreds).RowsAffected == 0 {
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return sr.gormClient.WithContext(ctx).Create(&sourceCreds).Error
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}
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return nil
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}
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func (sr *sqliteRepository) GetSources(ctx context.Context) ([]models.Source, error) {
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var sourceCreds []models.Source
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results := sr.gormClient.WithContext(ctx).
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Where(models.Source{UserID: sr.GetCurrentUser(ctx).ID}).
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Find(&sourceCreds)
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return sourceCreds, results.Error
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}
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//func (sr *sqliteRepository) GetSource(ctx context.Context, providerId string) (models.Source, error) {
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//
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// var providerCredentials models.Source
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// results := sr.gormClient.WithContext(ctx).
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// Where(models.Source{UserID: sr.GetCurrentUser().ID, SourceType: providerId}).
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// Find(&providerCredentials)
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//
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// return providerCredential, results.Error
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//}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Utilities
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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func sqlitePragmaString(pragmas map[string]string) string {
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q := url.Values{}
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for key, val := range pragmas {
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q.Add("_pragma", key+"="+val)
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}
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queryStr := q.Encode()
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if len(queryStr) > 0 {
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return "?" + queryStr
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}
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return ""
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}
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