tmpl

package
v1.1.14 Latest Latest
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Published: Jan 29, 2025 License: MIT Imports: 0 Imported by: 0

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Constants

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const ConnectionTemplate = `` /* 3151-byte string literal not displayed */

ConnectionTemplate is the template for the connection functions. This is included in the init template.

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const ErrorsTemplate = `` /* 460-byte string literal not displayed */

ErrorsTemplate is the template for the errors. This is included in the init template.

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const InitStatementTemplate = `` /* 496-byte string literal not displayed */

InitStatementTemplate is the template for the init functions.

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const OptionsTemplate = `` /* 3417-byte string literal not displayed */
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const SingleRepeatedTypesTemplate = `` /* 1121-byte string literal not displayed */
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const StorageTemplate = `` /* 3358-byte string literal not displayed */

StorageTemplate is the template for the storage functions. This is included in the init template.

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const StructureTemplate = `
// {{ structureName }} is a struct for the "{{ tableName }}" table.
type {{ structureName }} struct {
{{ range $field := fields }}
	{{ $field | fieldName }} {{ $field | fieldType }}{{if not ($field | isRelation) }}` + " `db:\"{{ $field | sourceName }}\"`" + `{{end}}{{end}}
}

// TableName returns the table name.
func (t *{{ structureName }}) TableName() string {
	return "{{ tableName }}"
}

// ScanRow scans a row into a {{ structureName }}.
func (t *{{ structureName }}) ScanRow(r *sql.Row) error {
	return r.Scan({{ range $field := fields }} {{if not ($field | isRelation) }} &t.{{ $field | fieldName }}, {{ end }}{{ end }})
}

// ScanRows scans a single row into the {{ structureName }}.
func (t *{{ structureName }}) ScanRows(r *sql.Rows) error {
	return r.Scan(
		{{- range $index, $field := fields }}
		{{- if not ($field | isRelation) }}
		&t.{{ $field | fieldName }},
		{{- end}}
		{{- end }}
	)
}
`
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const TableConditionFilters = `` /* 7979-byte string literal not displayed */
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const TableConditionsTemplate = `` /* 12349-byte string literal not displayed */
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const TableCountMethodTemplate = `` /* 832-byte string literal not displayed */
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const TableCreateMethodTemplate = `` /* 4112-byte string literal not displayed */
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const TableDeleteMethodTemplate = `` /* 1622-byte string literal not displayed */
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const TableFindManyMethodTemplate = `` /* 1585-byte string literal not displayed */
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const TableFindOneMethodTemplate = `` /* 467-byte string literal not displayed */
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const TableFindWithPaginationMethodTemplate = `` /* 1024-byte string literal not displayed */
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const TableGetByIDMethodTemplate = `` /* 632-byte string literal not displayed */
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const TableLockMethodTemplate = `` /* 992-byte string literal not displayed */
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const TableRawQueryMethodTemplate = `` /* 718-byte string literal not displayed */
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const TableStorageTemplate = `
// {{ storageName | lowerCamelCase }} is a struct for the "{{ tableName }}" table.
type {{ storageName | lowerCamelCase }} struct {
	db *sql.DB // The database connection.
	queryBuilder sq.StatementBuilderType // queryBuilder is used to build queries.
}

// {{structureName}}TableManager is an interface for managing the {{ tableName }} table.
type {{structureName}}TableManager interface {
	CreateTable(ctx context.Context) error
	DropTable(ctx context.Context) error
	TruncateTable(ctx context.Context) error
	UpgradeTable(ctx context.Context) error
}

// {{structureName}}CRUDOperations is an interface for managing the {{ tableName }} table.
type {{structureName}}CRUDOperations interface {
	{{- if (hasID) }}
	Create(ctx context.Context, model *{{structureName}}, opts ...Option) (*{{IDType}}, error)
	{{- else }} 
	Create(ctx context.Context, model *{{structureName}}, opts ...Option) error
	{{- end }}
	Update(ctx context.Context, id {{IDType}}, updateData *{{structureName}}Update) error
	{{- if (hasPrimaryKey) }}
	DeleteBy{{ getPrimaryKey.GetName | camelCase }}(ctx context.Context, {{getPrimaryKey.GetName}} {{IDType}}, opts ...Option) error
	{{- end }}
	{{- if (hasPrimaryKey) }}
	FindBy{{ getPrimaryKey.GetName | camelCase }}(ctx context.Context, id {{IDType}}, opts ...Option) (*{{ structureName }}, error)
	{{- end }}
}

// {{structureName}}SearchOperations is an interface for searching the {{ tableName }} table.
type {{structureName}}SearchOperations interface {
	FindMany(ctx context.Context, builder ...*QueryBuilder) ([]*{{structureName}}, error)
	FindOne(ctx context.Context, builders ...*QueryBuilder) (*{{structureName}}, error)
	Count(ctx context.Context, builders ...*QueryBuilder) (int64, error)
	SelectForUpdate(ctx context.Context, builders ...*QueryBuilder) (*{{structureName}}, error)
}

// {{structureName}}PaginationOperations is an interface for pagination operations.
type {{structureName}}PaginationOperations interface {
	FindManyWithPagination(ctx context.Context, limit int, page int, builders ...*QueryBuilder) ([]*{{structureName}}, *Paginator, error)
}

// {{structureName}}RelationLoading is an interface for loading relations.
type {{structureName}}RelationLoading interface {
	{{- range $index, $field := fields }}
	{{- if and ($field | isRelation) }}
	Load{{ $field | pluralFieldName }} (ctx context.Context, model *{{structureName}}, builders ...*QueryBuilder) error
	{{- end }}
	{{- end }}
	{{- range $index, $field := fields }}
	{{- if and ($field | isRelation) }}
	LoadBatch{{ $field | pluralFieldName }} (ctx context.Context, items []*{{structureName}}, builders ...*QueryBuilder) error
	{{- end }}
	{{- end }}
}

// {{structureName}}AdvancedDeletion is an interface for advanced deletion operations.
type {{structureName}}AdvancedDeletion interface {
	DeleteMany(ctx context.Context, builders ...*QueryBuilder) error
}

// {{structureName}}RawQueryOperations is an interface for executing raw queries.
type {{structureName}}RawQueryOperations interface {
	Query(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
	QueryRow(ctx context.Context, query string, args ...interface{}) *sql.Row
	QueryRows(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
}

// {{ storageName }} is a struct for the "{{ tableName }}" table.
type {{ storageName }} interface {
    {{structureName}}TableManager
	{{structureName}}CRUDOperations
	{{structureName}}SearchOperations
	{{structureName}}PaginationOperations
	{{structureName}}RelationLoading
	{{structureName}}AdvancedDeletion
	{{structureName}}RawQueryOperations
}

// New{{ storageName }} returns a new {{ storageName | lowerCamelCase }}.
func New{{ storageName }}(db *sql.DB) {{ storageName }} {
	return &{{ storageName | lowerCamelCase }}{
		db: db,
		queryBuilder: sq.StatementBuilder.PlaceholderFormat(sq.Dollar),
	}
}

// TableName returns the table name.
func (t *{{ storageName | lowerCamelCase }}) TableName() string {
	return "{{ tableName }}"
}

// Columns returns the columns for the table.
func (t *{{ storageName | lowerCamelCase }}) Columns() []string {
	return []string{
		{{ range $field := fields }}{{if not ($field | isRelation) }}"{{ $field | sourceName }}",{{ end }}{{ end }}
	}
}

// DB returns the underlying sql.DB. This is useful for doing transactions.
func (t *{{ storageName | lowerCamelCase }}) DB(ctx context.Context) QueryExecer {
	var db QueryExecer = t.db
	if tx, ok := TxFromContext(ctx); ok {
		db = tx
	}

	return db
}

// createTable creates the table in SQLite.
func (t *{{ storageName | lowerCamelCase }}) CreateTable(ctx context.Context) error {
    sqlQuery := ` + "`" + `
        -- Table: {{ tableName }}
        CREATE TABLE IF NOT EXISTS {{ tableName }} (
        {{- range $index, $field := fields }}
        {{- if not ($field | isRelation) }}
        {{ $field | sourceName }} {{if ($field | isAutoIncrement) }} INTEGER PRIMARY KEY AUTOINCREMENT{{else}}{{ $field | sqliteType }}{{end}}{{if and (isNotNull $field) (not (isAutoIncrement $field)) }} NOT NULL{{ end }}{{if ($field | getDefaultValue) }} DEFAULT {{$field | getDefaultValue}}{{end}}{{if not ( $field | isLastField )}},{{end}}
        {{- end}}
        {{- end}});

        -- Indexes and Unique constraints
        {{- range $index, $field := fields }}
        {{- if ($field | hasUnique) }}
        CREATE UNIQUE INDEX IF NOT EXISTS {{ tableName }}_{{ $field | sourceName }}_unique_idx ON {{ tableName }} ({{ $field | sourceName }});
        {{- end}}
        {{- end}}

        {{- range $index, $fields := getStructureUniqueIndexes }}
        CREATE UNIQUE INDEX IF NOT EXISTS {{ tableName }}_unique_idx_{{ $fields | sliceToString }} ON {{ tableName }} (
        {{- $length := sub (len $fields) 1 }}
        {{- range $i, $field := $fields }}
            {{ $field | sourceName }}{{ if lt $i $length }}, {{ end }}
        {{- end }}
        );
        {{- end}}

        {{- range $index, $field := fields }}
        {{- if ($field | hasIndex) }}
        CREATE INDEX IF NOT EXISTS {{ tableName }}_{{ $field | sourceName }}_idx ON {{ tableName }} ({{ $field | sourceName }});
        {{- end}}
        {{- end}}
        
        -- SQLite handles foreign key constraints differently and should be part of table creation
    ` + "`" + `
    
    _, err := t.db.ExecContext(ctx, sqlQuery)
    return err
}

// DropTable drops the table.
func (t *{{ storageName | lowerCamelCase }}) DropTable(ctx context.Context) error {
	sqlQuery := ` + "`" + `
		DROP TABLE IF EXISTS {{ tableName }};
	` + "`" + `

	_, err := t.db.ExecContext(ctx,sqlQuery)
	return err
}

// TruncateTable truncates the table.
func (t *{{ storageName | lowerCamelCase }}) TruncateTable(ctx context.Context) error {
	sqlQuery := ` + "`" + `
		TRUNCATE TABLE {{ tableName }};
	` + "`" + `

	_, err := t.db.ExecContext(ctx,sqlQuery)
	return err
}

// UpgradeTable upgrades the table.
// todo: delete this method 
func (t *{{ storageName | lowerCamelCase }}) UpgradeTable(ctx context.Context) error {
	return nil
}

{{- range $index, $field := fields }}
{{- if and ($field | isRelation) }}
// Load{{ $field | pluralFieldName }} loads the {{ $field | pluralFieldName }} relation.
func (t *{{ storageName | lowerCamelCase }}) Load{{ $field | pluralFieldName }}(ctx context.Context, model *{{structureName}}, builders ...*QueryBuilder) error {
	if model == nil {
		return errors.Wrap(ErrModelIsNil, "{{structureName}} is nil")
	}

	// New{{ $field | relationStorageName }} creates a new {{ $field | relationStorageName }}.
	s := New{{ $field | relationStorageName }}(t.db)

	{{- if ($field | isOptional) }}
		// Check if the optional field is nil
		if model.{{ $field | getFieldID }} == nil {
			// If nil, do not attempt to load the relation
			return nil
		}
		// Add the filter for the relation with dereferenced value
		builders = append(builders, FilterBuilder({{ $field | relationStructureName }}{{ $field | getRefID }}Eq(*model.{{ $field | getFieldID }})))
	{{- else }}
		// Add the filter for the relation without dereferencing
		builders = append(builders, FilterBuilder({{ $field | relationStructureName }}{{ $field | getRefID }}Eq(model.{{ $field | getFieldID }})))
	{{- end }}

	{{- if ($field | isRepeated) }}
		relationModels, err := s.FindMany(ctx, builders...)
		if err != nil {
			return fmt.Errorf("failed to find many {{ $field | relationStorageName }}: %w", err)
		}

		model.{{ $field | fieldName }} = relationModels
	{{- else }}
		relationModel, err := s.FindOne(ctx, builders...)
		if err != nil {
			return fmt.Errorf("failed to find {{ $field | relationStorageName }}: %w", err)
		}

		model.{{ $field | fieldName }} = relationModel
	{{- end }}
	return nil
}
{{- end }}
{{- end }}

{{- range $index, $field := fields }}
{{- if and ($field | isRelation) }}
// LoadBatch{{ $field | pluralFieldName }} loads the {{ $field | pluralFieldName }} relation.
func (t *{{ storageName | lowerCamelCase }}) LoadBatch{{ $field | pluralFieldName }}(ctx context.Context, items []*{{structureName}}, builders ...*QueryBuilder) error {
	requestItems := make([]interface{}, 0, len(items))
	for _, item := range items {
		{{- if ($field | isOptional) }}
			// Check if the field is nil for optional fields
			if item.{{ $field | getFieldID }} == nil {
				// Skip nil values for optional fields
				continue
			}
			// Append dereferenced value for optional fields
			requestItems = append(requestItems, *item.{{ $field | getFieldID }})
		{{- else }}
			// Append the value directly for non-optional fields
			requestItems = append(requestItems, item.{{ $field | getFieldID }})
		{{- end }}
	}

	// New{{ $field | relationStorageName }} creates a new {{ $field | relationStorageName }}.
	s := New{{ $field | relationStorageName }}(t.db)

	// Add the filter for the relation
	{{- if ($field | isOptional) }}
		// Ensure that requestItems are not empty before adding the builder
		if len(requestItems) > 0 {
			builders = append(builders, FilterBuilder({{ $field | relationStructureName }}{{ $field | getRefID }}In(requestItems...)))
		}
	{{- else }}
		builders = append(builders, FilterBuilder({{ $field | relationStructureName }}{{ $field | getRefID }}In(requestItems...)))
	{{- end }}

	results, err := s.FindMany(ctx, builders...)
	if err != nil {
		return fmt.Errorf("failed to find many {{ $field | relationStorageName }}: %w", err)
	}

	{{- if ($field | isRepeated) }}
	resultMap := make(map[interface{}][]*{{ $field | relationStructureName }})
	{{- else }}
	resultMap := make(map[interface{}]*{{ $field | relationStructureName }})
	{{- end }}
	for _, result := range results {
		{{- if ($field | isRepeated) }}
		resultMap[result.{{ $field | getRefID }}] = append(resultMap[result.{{ $field | getRefID }}], result)
		{{- else }}
		resultMap[result.{{ $field | getRefID }}] = result
		{{- end }}
	}

	// Assign {{ $field | relationStructureName }} to items
	for _, item := range items {
		{{- if ($field | isOptional) }}
			// Skip assignment if the field is nil
			if item.{{ $field | getFieldID }} == nil {
				continue
			}
			// Assign the relation if it exists in the resultMap
			if v, ok := resultMap[*item.{{ $field | getFieldID }}]; ok {
				item.{{ $field | fieldName }} = v
			}
		{{- else }}
			// Assign the relation directly for non-optional fields
			if v, ok := resultMap[item.{{ $field | getFieldID }}]; ok {
				item.{{ $field | fieldName }} = v
			}
		{{- end }}
	}

	return nil
}
{{- end }}
{{- end }}
`
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const TableTemplate = `` /* 469-byte string literal not displayed */
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const TableUpdateMethodTemplate = `` /* 1688-byte string literal not displayed */
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const TransactionManagerTemplate = `` /* 2464-byte string literal not displayed */
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const TypesTemplate = `
{{ range $key, $field := nestedMessages }}
// {{ $key }} is a JSON type nested in another message.
type {{ $field.StructureName }} struct {
	{{- range $nestedField := $field.Descriptor.GetField }}
	{{ $nestedField | fieldName }} {{ $nestedField | fieldType }}` + " `json:\"{{ $nestedField | sourceName }}\"`" + `
	{{- end }}
}

// Scan implements the sql.Scanner interface for JSON.
func (m *{{ $field.StructureName }}) Scan(src interface{}) error  {
	if bytes, ok := src.([]byte); ok {
		return json.Unmarshal(bytes, m)
	}

	return fmt.Errorf("can't convert %T", src)
}

// Value implements the driver.Valuer interface for JSON.
func (m *{{ $field.StructureName }}) Value() (driver.Value, error) {
	if m == nil {
		m = &{{ $field.StructureName }}{}
	}
	return json.Marshal(m)
}
{{ end }}
`

Variables

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Functions

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Types

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