Hein
aba22cb574
- Implement functionality to create, update, delete, and view relationships between tables. - Introduce new UI screens for managing relationships, including forms for adding and editing relationships. - Enhance table editor with navigation to relationship management. - Ensure relationships are displayed in a structured table format for better usability.
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
package ui
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import "git.warky.dev/wdevs/relspecgo/pkg/models"
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// Relationship data operations - business logic for relationship management
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// CreateRelationship creates a new relationship and adds it to a table
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func (se *SchemaEditor) CreateRelationship(schemaIndex, tableIndex int, rel *models.Relationship) *models.Relationship {
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if schemaIndex < 0 || schemaIndex >= len(se.db.Schemas) {
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return nil
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}
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schema := se.db.Schemas[schemaIndex]
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if tableIndex < 0 || tableIndex >= len(schema.Tables) {
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return nil
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}
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table := schema.Tables[tableIndex]
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if table.Relationships == nil {
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table.Relationships = make(map[string]*models.Relationship)
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}
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table.Relationships[rel.Name] = rel
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table.UpdateDate()
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return rel
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}
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// UpdateRelationship updates an existing relationship
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func (se *SchemaEditor) UpdateRelationship(schemaIndex, tableIndex int, oldName string, rel *models.Relationship) bool {
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if schemaIndex < 0 || schemaIndex >= len(se.db.Schemas) {
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return false
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}
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schema := se.db.Schemas[schemaIndex]
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if tableIndex < 0 || tableIndex >= len(schema.Tables) {
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return false
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}
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table := schema.Tables[tableIndex]
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if table.Relationships == nil {
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return false
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}
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// Delete old entry if name changed
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if oldName != rel.Name {
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delete(table.Relationships, oldName)
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}
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table.Relationships[rel.Name] = rel
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table.UpdateDate()
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return true
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}
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// DeleteRelationship removes a relationship from a table
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func (se *SchemaEditor) DeleteRelationship(schemaIndex, tableIndex int, relName string) bool {
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if schemaIndex < 0 || schemaIndex >= len(se.db.Schemas) {
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return false
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}
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schema := se.db.Schemas[schemaIndex]
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if tableIndex < 0 || tableIndex >= len(schema.Tables) {
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return false
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}
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table := schema.Tables[tableIndex]
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if table.Relationships == nil {
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return false
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}
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delete(table.Relationships, relName)
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table.UpdateDate()
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return true
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}
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// GetRelationship returns a relationship by name
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func (se *SchemaEditor) GetRelationship(schemaIndex, tableIndex int, relName string) *models.Relationship {
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if schemaIndex < 0 || schemaIndex >= len(se.db.Schemas) {
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return nil
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}
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schema := se.db.Schemas[schemaIndex]
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if tableIndex < 0 || tableIndex >= len(schema.Tables) {
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return nil
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}
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table := schema.Tables[tableIndex]
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if table.Relationships == nil {
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return nil
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}
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return table.Relationships[relName]
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}
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// GetRelationshipNames returns all relationship names for a table
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func (se *SchemaEditor) GetRelationshipNames(schemaIndex, tableIndex int) []string {
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if schemaIndex < 0 || schemaIndex >= len(se.db.Schemas) {
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return nil
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}
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schema := se.db.Schemas[schemaIndex]
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if tableIndex < 0 || tableIndex >= len(schema.Tables) {
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return nil
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}
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table := schema.Tables[tableIndex]
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if table.Relationships == nil {
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return nil
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}
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names := make([]string, 0, len(table.Relationships))
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for name := range table.Relationships {
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names = append(names, name)
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}
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return names
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}
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