provider: dynamo-db support added

server/db/providers/dynamodb/email_template.go

@@ -0,0 +1,121 @@
+package dynamodb
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"github.com/authorizerdev/authorizer/server/db/models"
+	"github.com/authorizerdev/authorizer/server/graph/model"
+	"github.com/google/uuid"
+	"github.com/guregu/dynamo"
+)
+
+// AddEmailTemplate to add EmailTemplate
+func (p *provider) AddEmailTemplate(ctx context.Context, emailTemplate models.EmailTemplate) (*model.EmailTemplate, error) {
+	collection := p.db.Table(models.Collections.EmailTemplate)
+	if emailTemplate.ID == "" {
+		emailTemplate.ID = uuid.New().String()
+	}
+
+	emailTemplate.Key = emailTemplate.ID
+	emailTemplate.CreatedAt = time.Now().Unix()
+	emailTemplate.UpdatedAt = time.Now().Unix()
+	err := collection.Put(emailTemplate).RunWithContext(ctx)
+
+	if err != nil {
+		return emailTemplate.AsAPIEmailTemplate(), err
+	}
+
+	return emailTemplate.AsAPIEmailTemplate(), nil
+}
+
+// UpdateEmailTemplate to update EmailTemplate
+func (p *provider) UpdateEmailTemplate(ctx context.Context, emailTemplate models.EmailTemplate) (*model.EmailTemplate, error) {
+	collection := p.db.Table(models.Collections.EmailTemplate)
+	emailTemplate.UpdatedAt = time.Now().Unix()
+	err := UpdateByHashKey(collection, "id", emailTemplate.ID, emailTemplate)
+	if err != nil {
+		return emailTemplate.AsAPIEmailTemplate(), err
+	}
+	return emailTemplate.AsAPIEmailTemplate(), nil
+}
+
+// ListEmailTemplates to list EmailTemplate
+func (p *provider) ListEmailTemplate(ctx context.Context, pagination model.Pagination) (*model.EmailTemplates, error) {
+
+	var emailTemplate models.EmailTemplate
+	var iter dynamo.PagingIter
+	var lastEval dynamo.PagingKey
+	var iteration int64 = 0
+
+	collection := p.db.Table(models.Collections.EmailTemplate)
+	emailTemplates := []*model.EmailTemplate{}
+	paginationClone := pagination
+	scanner := collection.Scan()
+	count, err := scanner.Count()
+
+	if err != nil {
+		return nil, err
+	}
+
+	for (paginationClone.Offset + paginationClone.Limit) > iteration {
+		iter = scanner.StartFrom(lastEval).Limit(paginationClone.Limit).Iter()
+		for iter.NextWithContext(ctx, &emailTemplate) {
+			if paginationClone.Offset == iteration {
+				emailTemplates = append(emailTemplates, emailTemplate.AsAPIEmailTemplate())
+			}
+		}
+		lastEval = iter.LastEvaluatedKey()
+		iteration += paginationClone.Limit
+	}
+
+	paginationClone.Total = count
+
+	return &model.EmailTemplates{
+		Pagination:     &paginationClone,
+		EmailTemplates: emailTemplates,
+	}, nil
+}
+
+// GetEmailTemplateByID to get EmailTemplate by id
+func (p *provider) GetEmailTemplateByID(ctx context.Context, emailTemplateID string) (*model.EmailTemplate, error) {
+	collection := p.db.Table(models.Collections.EmailTemplate)
+	var emailTemplate models.EmailTemplate
+	err := collection.Get("id", emailTemplateID).OneWithContext(ctx, &emailTemplate)
+	if err != nil {
+		return nil, err
+	}
+	return emailTemplate.AsAPIEmailTemplate(), nil
+}
+
+// GetEmailTemplateByEventName to get EmailTemplate by event_name
+func (p *provider) GetEmailTemplateByEventName(ctx context.Context, eventName string) (*model.EmailTemplate, error) {
+	collection := p.db.Table(models.Collections.EmailTemplate)
+	var emailTemplates []models.EmailTemplate
+	var emailTemplate models.EmailTemplate
+
+	err := collection.Scan().Filter("'event_name' = ?", eventName).Limit(1).AllWithContext(ctx, &emailTemplates)
+	if err != nil {
+		return nil, err
+	}
+	if len(emailTemplates) > 0 {
+		emailTemplate = emailTemplates[0]
+		return emailTemplate.AsAPIEmailTemplate(), nil
+	} else {
+		return nil, errors.New("no record found")
+	}
+
+}
+
+// DeleteEmailTemplate to delete EmailTemplate
+func (p *provider) DeleteEmailTemplate(ctx context.Context, emailTemplate *model.EmailTemplate) error {
+	collection := p.db.Table(models.Collections.EmailTemplate)
+	err := collection.Delete("id", emailTemplate.ID).RunWithContext(ctx)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}