feat: add verification_request queries

Author: lakhansamani

server/db/providers/cassandradb/verification_requests.go

@@ -1,10 +1,12 @@
 package cassandradb
 
 import (
+	"fmt"
 	"time"
 
 	"github.com/authorizerdev/authorizer/server/db/models"
 	"github.com/authorizerdev/authorizer/server/graph/model"
+	"github.com/gocql/gocql"
 	"github.com/google/uuid"
 )
 
@@ -17,29 +19,78 @@ func (p *provider) AddVerificationRequest(verificationRequest models.Verificatio
 	verificationRequest.CreatedAt = time.Now().Unix()
 	verificationRequest.UpdatedAt = time.Now().Unix()
 
+	query := fmt.Sprintf("INSERT INTO %s (id, jwt_token, identifier, expires_at, email, nonce, redirect_uri, created_at, updated_at) VALUES ('%s', '%s', '%s', %d, '%s', '%s', '%s', %d, %d)", KeySpace+"."+models.Collections.VerificationRequest, verificationRequest.ID, verificationRequest.Token, verificationRequest.Identifier, verificationRequest.ExpiresAt, verificationRequest.Email, verificationRequest.Nonce, verificationRequest.RedirectURI, verificationRequest.CreatedAt, verificationRequest.UpdatedAt)
+	err := p.db.Query(query).Exec()
+	if err != nil {
+		return verificationRequest, err
+	}
 	return verificationRequest, nil
 }
 
 // GetVerificationRequestByToken to get verification request from database using token
 func (p *provider) GetVerificationRequestByToken(token string) (models.VerificationRequest, error) {
 	var verificationRequest models.VerificationRequest
-
+	query := fmt.Sprintf(`SELECT id, jwt_token, identifier, expires_at, email, nonce, redirect_uri, created_at, updated_at FROM %s WHERE jwt_token = '%s' LIMIT 1`, KeySpace+"."+models.Collections.VerificationRequest, token)
+	err := p.db.Query(query).Consistency(gocql.One).Scan(&verificationRequest.ID, &verificationRequest.Token, &verificationRequest.Identifier, &verificationRequest.ExpiresAt, &verificationRequest.Email, &verificationRequest.Nonce, &verificationRequest.RedirectURI, &verificationRequest.CreatedAt, &verificationRequest.UpdatedAt)
+	if err != nil {
+		return verificationRequest, err
+	}
 	return verificationRequest, nil
 }
 
 // GetVerificationRequestByEmail to get verification request by email from database
 func (p *provider) GetVerificationRequestByEmail(email string, identifier string) (models.VerificationRequest, error) {
 	var verificationRequest models.VerificationRequest
+	query := fmt.Sprintf(`SELECT id, jwt_token, identifier, expires_at, email, nonce, redirect_uri, created_at, updated_at FROM %s WHERE email = '%s' AND identifier = '%s' LIMIT 1`, KeySpace+"."+models.Collections.VerificationRequest, email, identifier)
+	err := p.db.Query(query).Consistency(gocql.One).Scan(&verificationRequest.ID, &verificationRequest.Token, &verificationRequest.Identifier, &verificationRequest.ExpiresAt, &verificationRequest.Email, &verificationRequest.Nonce, &verificationRequest.RedirectURI, &verificationRequest.CreatedAt, &verificationRequest.UpdatedAt)
+	if err != nil {
+		return verificationRequest, err
+	}
 
 	return verificationRequest, nil
 }
 
 // ListVerificationRequests to get list of verification requests from database
 func (p *provider) ListVerificationRequests(pagination model.Pagination) (*model.VerificationRequests, error) {
-	return nil, nil
+	var verificationRequests []*model.VerificationRequest
+
+	paginationClone := pagination
+	totalCountQuery := fmt.Sprintf(`SELECT COUNT(*) FROM %s`, KeySpace+"."+models.Collections.VerificationRequest)
+	err := p.db.Query(totalCountQuery).Consistency(gocql.One).Scan(&paginationClone.Total)
+	if err != nil {
+		return nil, err
+	}
+
+	// there is no offset in cassandra
+	// so we fetch till limit + offset
+	// and return the results from offset to limit
+	query := fmt.Sprintf(`SELECT id, jwt_token, identifier, expires_at, email, nonce, redirect_uri, created_at, updated_at FROM %s ORDER BY created_at DESC LIMIT %d`, KeySpace+"."+models.Collections.VerificationRequest, pagination.Limit+pagination.Offset)
+	scanner := p.db.Query(query).Iter().Scanner()
+	counter := int64(0)
+	for scanner.Next() {
+		if counter >= pagination.Offset {
+			var verificationRequest models.VerificationRequest
+			err := scanner.Scan(&verificationRequest.ID, &verificationRequest.Token, &verificationRequest.Identifier, &verificationRequest.ExpiresAt, &verificationRequest.Email, &verificationRequest.Nonce, &verificationRequest.RedirectURI, &verificationRequest.CreatedAt, &verificationRequest.UpdatedAt)
+			if err != nil {
+				return nil, err
+			}
+			verificationRequests = append(verificationRequests, verificationRequest.AsAPIVerificationRequest())
+		}
+		counter++
+	}
+
+	return &model.VerificationRequests{
+		VerificationRequests: verificationRequests,
+		Pagination:           &paginationClone,
+	}, nil
 }
 
 // DeleteVerificationRequest to delete verification request from database
 func (p *provider) DeleteVerificationRequest(verificationRequest models.VerificationRequest) error {
+	query := fmt.Sprintf("DELETE FROM %s WHERE id = '%s'", KeySpace+"."+models.Collections.VerificationRequest, verificationRequest.ID)
+	err := p.db.Query(query).Exec()
+	if err != nil {
+		return err
+	}
 	return nil
 }