feat: redesign superadmin agencies list, implement flat design, add date filters, and fix UI bugs

backend/internal/repository/agency_template_repository.go

@@ -0,0 +1,168 @@
+package repository
+
+import (
+	"aggios-app/backend/internal/domain"
+	"database/sql"
+	"encoding/json"
+	"fmt"
+)
+
+type AgencyTemplateRepository struct {
+	db *sql.DB
+}
+
+func NewAgencyTemplateRepository(db *sql.DB) *AgencyTemplateRepository {
+	return &AgencyTemplateRepository{db: db}
+}
+
+func (r *AgencyTemplateRepository) Create(template *domain.AgencySignupTemplate) error {
+	query := `
+		INSERT INTO agency_signup_templates (
+			name, slug, description, form_fields, available_modules,
+			custom_primary_color, custom_logo_url, redirect_url, success_message, max_uses
+		) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+		RETURNING id, created_at, updated_at
+	`
+	
+	return r.db.QueryRow(
+		query,
+		template.Name,
+		template.Slug,
+		template.Description,
+		template.FormFields,
+		template.AvailableModules,
+		template.CustomPrimaryColor,
+		template.CustomLogoURL,
+		template.RedirectURL,
+		template.SuccessMessage,
+		template.MaxUses,
+	).Scan(&template.ID, &template.CreatedAt, &template.UpdatedAt)
+}
+
+func (r *AgencyTemplateRepository) FindBySlug(slug string) (*domain.AgencySignupTemplate, error) {
+	var template domain.AgencySignupTemplate
+	query := `
+		SELECT id, name, slug, description, form_fields, available_modules,
+			   custom_primary_color, custom_logo_url, redirect_url, success_message,
+			   is_active, usage_count, max_uses, expires_at, created_at, updated_at
+		FROM agency_signup_templates
+		WHERE slug = $1 AND is_active = true
+	`
+	
+	err := r.db.QueryRow(query, slug).Scan(
+		&template.ID, &template.Name, &template.Slug, &template.Description,
+		&template.FormFields, &template.AvailableModules,
+		&template.CustomPrimaryColor, &template.CustomLogoURL,
+		&template.RedirectURL, &template.SuccessMessage,
+		&template.IsActive, &template.UsageCount, &template.MaxUses,
+		&template.ExpiresAt, &template.CreatedAt, &template.UpdatedAt,
+	)
+	
+	if err != nil {
+		return nil, err
+	}
+	
+	// Validar se expirou
+	if template.ExpiresAt.Valid && template.ExpiresAt.Time.Before(sql.NullTime{}.Time) {
+		return nil, fmt.Errorf("template expired")
+	}
+	
+	// Validar limite de usos
+	if template.MaxUses.Valid && template.UsageCount >= int(template.MaxUses.Int64) {
+		return nil, fmt.Errorf("template usage limit reached")
+	}
+	
+	return &template, nil
+}
+
+func (r *AgencyTemplateRepository) List() ([]domain.AgencySignupTemplate, error) {
+	var templates []domain.AgencySignupTemplate
+	query := `
+		SELECT id, name, slug, description, form_fields, available_modules,
+			   custom_primary_color, custom_logo_url, redirect_url, success_message,
+			   is_active, usage_count, max_uses, expires_at, created_at, updated_at
+		FROM agency_signup_templates
+		ORDER BY created_at DESC
+	`
+	
+	rows, err := r.db.Query(query)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	
+	for rows.Next() {
+		var t domain.AgencySignupTemplate
+		if err := rows.Scan(
+			&t.ID, &t.Name, &t.Slug, &t.Description,
+			&t.FormFields, &t.AvailableModules,
+			&t.CustomPrimaryColor, &t.CustomLogoURL,
+			&t.RedirectURL, &t.SuccessMessage,
+			&t.IsActive, &t.UsageCount, &t.MaxUses,
+			&t.ExpiresAt, &t.CreatedAt, &t.UpdatedAt,
+		); err != nil {
+			return nil, err
+		}
+		templates = append(templates, t)
+	}
+	
+	return templates, rows.Err()
+}
+
+func (r *AgencyTemplateRepository) IncrementUsageCount(id string) error {
+	query := `UPDATE agency_signup_templates SET usage_count = usage_count + 1 WHERE id = $1`
+	_, err := r.db.Exec(query, id)
+	return err
+}
+
+func (r *AgencyTemplateRepository) Update(template *domain.AgencySignupTemplate) error {
+	query := `
+		UPDATE agency_signup_templates
+		SET name = $1, description = $2, form_fields = $3, available_modules = $4,
+			custom_primary_color = $5, custom_logo_url = $6, redirect_url = $7,
+			success_message = $8, is_active = $9, max_uses = $10, updated_at = CURRENT_TIMESTAMP
+		WHERE id = $11
+	`
+	
+	_, err := r.db.Exec(
+		query,
+		template.Name,
+		template.Description,
+		template.FormFields,
+		template.AvailableModules,
+		template.CustomPrimaryColor,
+		template.CustomLogoURL,
+		template.RedirectURL,
+		template.SuccessMessage,
+		template.IsActive,
+		template.MaxUses,
+		template.ID,
+	)
+	return err
+}
+
+func (r *AgencyTemplateRepository) Delete(id string) error {
+	query := `DELETE FROM agency_signup_templates WHERE id = $1`
+	_, err := r.db.Exec(query, id)
+	return err
+}
+
+// Helper: Convert form fields to JSON
+func FormFieldsToJSON(fields []string) ([]byte, error) {
+	type FormField struct {
+		Name     string `json:"name"`
+		Required bool   `json:"required"`
+		Enabled  bool   `json:"enabled"`
+	}
+	
+	var formFields []FormField
+	for _, field := range fields {
+		formFields = append(formFields, FormField{
+			Name:     field,
+			Required: field == "agencyName" || field == "subdomain" || field == "adminEmail" || field == "adminPassword",
+			Enabled:  true,
+		})
+	}
+	
+	return json.Marshal(formFields)
+}