Squashed commit of the following:

commit d2ec8c0f07
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Thu May 15 15:42:33 2025 +0700

    add: db tx commit and rollback implementation

commit 264435f67e
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Thu May 15 14:34:20 2025 +0700

    fix: shortlink generation logic update/create

commit 047ab1937a
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Thu May 15 11:06:04 2025 +0700

    fix: if multiple studies patient, show first study by default

commit c13f834b92
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Thu May 15 09:46:32 2025 +0700

    add: register and login with DB query AND some struct type correction

commit dd4451c2a8
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Wed May 14 10:23:33 2025 +0700

    new file structure & koneksi ke DB

commit 8289881df3
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Tue May 13 16:49:07 2025 +0700

    edit: rm debug route

commit dd784da232
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Tue May 13 15:44:11 2025 +0700

    add: implement shortlink

commit 2687a761cc
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Tue May 13 11:47:19 2025 +0700

    add new dummy doctor user

commit eb67eaca46
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Tue May 13 11:46:28 2025 +0700

    add: ref_doctor studylist filter

commit 0d4825d152
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Tue May 13 10:07:16 2025 +0700

    edit study_iuids & accNum in patient jwt to array

commit 2d1f135fda
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Tue May 13 09:52:45 2025 +0700

    patient see their multiple studies

commit 13bb380f51
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Fri May 9 10:13:16 2025 +0700

    add: cors handler route and readme

commit 6c9ab574ce
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Mon May 5 11:50:36 2025 +0700

    add: login & token validation tapi belum connect ke DB

commit 297c9a6a01
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Mon Apr 28 15:37:02 2025 +0700

    add readme.md

commit 9b8e0260f3
Author: mario <dev.mario@sismedika@gmail.com>
Date:   Mon Apr 7 15:46:07 2025 +0700

    connected-to-google

commit f340bc5916
Author: mario <dev.mario@sismedika.com>
Date:   Mon Apr 7 11:14:18 2025 +0700

    init

internal/api/repository/doctor.go

@@ -0,0 +1,59 @@
+package repository
+
+import (
+	"fmt"
+	"time"
+
+	"devone.aplikasi.web.id/gitea/mario/go-ohif-proxy/internal/api/models"
+	"devone.aplikasi.web.id/gitea/mario/go-ohif-proxy/internal/database"
+	"github.com/jmoiron/sqlx"
+)
+
+// DBDoctor represents a doctor from the database
+type DBDoctor struct {
+	ID                  int       `db:"id"`
+	Doctor_UsersID      string    `db:"Doctor_UsersID"`
+	DoctorID            string    `db:"DoctorID"`
+	DoctorName          string    `db:"DoctorName"`
+	DoctorCreatedAt     time.Time `db:"DoctorCreatedAt"`
+	DoctorLastUpdatedAt time.Time `db:"DoctorLastUpdatedAt"`
+}
+
+// DoctorRepository handles database operations related to doctors
+type DoctorRepository struct {
+	*Repository
+}
+
+// NewDoctorRepository creates a new doctor repository
+func NewDoctorRepository() *DoctorRepository {
+	return &DoctorRepository{
+		Repository: NewRepository(),
+	}
+}
+
+// GetDoctorDetailsByUserID retrieves doctor details for a user
+func (r *DoctorRepository) GetDoctorDetailsByUserID(userID string) (*DBDoctor, error) {
+	var dbDoctor DBDoctor
+
+	query := `SELECT * FROM doctor WHERE Doctor_UsersID = ?`
+	err := database.DB.Get(&dbDoctor, query, userID)
+
+	if err != nil {
+		return nil, fmt.Errorf("database error getting doctor details: %w", err)
+	}
+
+	return &dbDoctor, nil
+}
+
+// CreateDoctorTx creates a new doctor record within a transaction
+func (r *DoctorRepository) CreateDoctorTx(tx *sqlx.Tx, doctorDetails *models.DoctorDetails, userID string) error {
+	query := `INSERT INTO doctor (Doctor_UsersID, DoctorID, DoctorName, DoctorCreatedAt, DoctorLastUpdatedAt) 
+		VALUES (?, ?, ?, NOW(), NOW())`
+
+	_, err := tx.Exec(query, userID, doctorDetails.DoctorID, doctorDetails.DoctorName)
+	if err != nil {
+		return fmt.Errorf("database error creating doctor: %w", err)
+	}
+
+	return nil
+}