Generate custom type and value types and to/from methods for primitives

.changes/unreleased/ENHANCEMENTS-20231018-094607.yaml

@@ -0,0 +1,6 @@
+kind: ENHANCEMENTS
+body: Adds code generation for Bool, Float64, Int64, Number, and String attributes
+  that have an associated external type
+time: 2023-10-18T09:46:07.467187+01:00
+custom:
+  Issue: "59"

go.mod

@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	github.com/google/go-cmp v0.6.0
-	github.com/hashicorp/terraform-plugin-codegen-spec v0.1.0
+	github.com/hashicorp/terraform-plugin-codegen-spec v0.1.1-0.20231019064449-867ccf6fb279
 	github.com/hashicorp/terraform-plugin-framework v1.4.0
 	github.com/mattn/go-colorable v0.1.12
 	github.com/mitchellh/cli v1.1.5

go.sum

@@ -25,8 +25,8 @@ github.com/hashicorp/go-hclog v1.5.0 h1:bI2ocEMgcVlz55Oj1xZNBsVi900c7II+fWDyV9o+
 github.com/hashicorp/go-hclog v1.5.0/go.mod h1:W4Qnvbt70Wk/zYJryRzDRU/4r0kIg0PVHBcfoyhpF5M=
 github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o=
 github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
-github.com/hashicorp/terraform-plugin-codegen-spec v0.1.0 h1:flL5dprli2h54RxewQi6po02am0zXDRq6nsV6c4WQ/I=
-github.com/hashicorp/terraform-plugin-codegen-spec v0.1.0/go.mod h1:PQn6bDD8UWoAVJoHXqFk2i/RmLbeQBjbiP38i+E+YIw=
+github.com/hashicorp/terraform-plugin-codegen-spec v0.1.1-0.20231019064449-867ccf6fb279 h1:9D8ydY5s8Fw76pqCFtwlm9X7wVJdFLMK2FAqyQoOZT0=
+github.com/hashicorp/terraform-plugin-codegen-spec v0.1.1-0.20231019064449-867ccf6fb279/go.mod h1:PQn6bDD8UWoAVJoHXqFk2i/RmLbeQBjbiP38i+E+YIw=
 github.com/hashicorp/terraform-plugin-framework v1.4.0 h1:WKbtCRtNrjsh10eA7NZvC/Qyr7zp77j+D21aDO5th9c=
 github.com/hashicorp/terraform-plugin-framework v1.4.0/go.mod h1:XC0hPcQbBvlbxwmjxuV/8sn8SbZRg4XwGMs22f+kqV0=
 github.com/hashicorp/terraform-plugin-go v0.19.0 h1:BuZx/6Cp+lkmiG0cOBk6Zps0Cb2tmqQpDM3iAtnhDQU=

internal/datasource_convert/bool_attribute.go

@@ -10,6 +10,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
 
 	"github.com/hashicorp/terraform-plugin-codegen-framework/internal/datasource_generate"
+	generatorschema "github.com/hashicorp/terraform-plugin-codegen-framework/internal/schema"
 )
 
 func convertBoolAttribute(a *datasource.BoolAttribute) (datasource_generate.GeneratorBoolAttribute, error) {
@@ -28,7 +29,8 @@ func convertBoolAttribute(a *datasource.BoolAttribute) (datasource_generate.Gene
 			DeprecationMessage:  deprecationMessage(a.DeprecationMessage),
 		},
 
-		CustomType: a.CustomType,
-		Validators: a.Validators,
+		AssociatedExternalType: generatorschema.NewAssocExtType(a.AssociatedExternalType),
+		CustomType:             a.CustomType,
+		Validators:             a.Validators,
 	}, nil
 }

internal/datasource_convert/float64_attribute.go

@@ -10,6 +10,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
 
 	"github.com/hashicorp/terraform-plugin-codegen-framework/internal/datasource_generate"
+	generatorschema "github.com/hashicorp/terraform-plugin-codegen-framework/internal/schema"
 )
 
 func convertFloat64Attribute(a *datasource.Float64Attribute) (datasource_generate.GeneratorFloat64Attribute, error) {
@@ -28,7 +29,8 @@ func convertFloat64Attribute(a *datasource.Float64Attribute) (datasource_generat
 			DeprecationMessage:  deprecationMessage(a.DeprecationMessage),
 		},
 
-		CustomType: a.CustomType,
-		Validators: a.Validators,
+		AssociatedExternalType: generatorschema.NewAssocExtType(a.AssociatedExternalType),
+		CustomType:             a.CustomType,
+		Validators:             a.Validators,
 	}, nil
 }

internal/datasource_convert/int64_attribute.go

@@ -10,6 +10,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
 
 	"github.com/hashicorp/terraform-plugin-codegen-framework/internal/datasource_generate"
+	generatorschema "github.com/hashicorp/terraform-plugin-codegen-framework/internal/schema"
 )
 
 func convertInt64Attribute(a *datasource.Int64Attribute) (datasource_generate.GeneratorInt64Attribute, error) {
@@ -28,7 +29,8 @@ func convertInt64Attribute(a *datasource.Int64Attribute) (datasource_generate.Ge
 			DeprecationMessage:  deprecationMessage(a.DeprecationMessage),
 		},
 
-		CustomType: a.CustomType,
-		Validators: a.Validators,
+		AssociatedExternalType: generatorschema.NewAssocExtType(a.AssociatedExternalType),
+		CustomType:             a.CustomType,
+		Validators:             a.Validators,
 	}, nil
 }

internal/datasource_convert/number_attribute.go

@@ -10,6 +10,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
 
 	"github.com/hashicorp/terraform-plugin-codegen-framework/internal/datasource_generate"
+	generatorschema "github.com/hashicorp/terraform-plugin-codegen-framework/internal/schema"
 )
 
 func convertNumberAttribute(a *datasource.NumberAttribute) (datasource_generate.GeneratorNumberAttribute, error) {
@@ -28,7 +29,8 @@ func convertNumberAttribute(a *datasource.NumberAttribute) (datasource_generate.
 			DeprecationMessage:  deprecationMessage(a.DeprecationMessage),
 		},
 
-		CustomType: a.CustomType,
-		Validators: a.Validators,
+		AssociatedExternalType: generatorschema.NewAssocExtType(a.AssociatedExternalType),
+		CustomType:             a.CustomType,
+		Validators:             a.Validators,
 	}, nil
 }

internal/datasource_convert/string_attribute.go

@@ -10,6 +10,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
 
 	"github.com/hashicorp/terraform-plugin-codegen-framework/internal/datasource_generate"
+	generatorschema "github.com/hashicorp/terraform-plugin-codegen-framework/internal/schema"
 )
 
 func convertStringAttribute(a *datasource.StringAttribute) (datasource_generate.GeneratorStringAttribute, error) {
@@ -28,7 +29,8 @@ func convertStringAttribute(a *datasource.StringAttribute) (datasource_generate.
 			DeprecationMessage:  deprecationMessage(a.DeprecationMessage),
 		},
 
-		CustomType: a.CustomType,
-		Validators: a.Validators,
+		AssociatedExternalType: generatorschema.NewAssocExtType(a.AssociatedExternalType),
+		CustomType:             a.CustomType,
+		Validators:             a.Validators,
 	}, nil
 }

internal/datasource_generate/bool_attribute.go

@@ -4,6 +4,8 @@
 package datasource_generate
 
 import (
+	"bytes"
+	"fmt"
 	"strings"
 	"text/template"
 
@@ -17,6 +19,7 @@ import (
 type GeneratorBoolAttribute struct {
 	schema.BoolAttribute
 
+	AssociatedExternalType *generatorschema.AssocExtType
 	// The "specschema" types are used instead of the types within the attribute
 	// because support for extracting custom import information is required.
 	CustomType *specschema.CustomType
@@ -38,6 +41,12 @@ func (g GeneratorBoolAttribute) Imports() *generatorschema.Imports {
 		imports.Append(customValidatorImports)
 	}
 
+	if g.AssociatedExternalType != nil {
+		imports.Append(generatorschema.AssociatedExternalTypeImports())
+	}
+
+	imports.Append(g.AssociatedExternalType.Imports())
+
 	return imports
 }
 
@@ -61,6 +70,7 @@ func (g GeneratorBoolAttribute) Equal(ga generatorschema.GeneratorAttribute) boo
 func (g GeneratorBoolAttribute) Schema(name generatorschema.FrameworkIdentifier) (string, error) {
 	type attribute struct {
 		Name                   string
+		CustomType             string
 		GeneratorBoolAttribute GeneratorBoolAttribute
 	}
 
@@ -69,12 +79,20 @@ func (g GeneratorBoolAttribute) Schema(name generatorschema.FrameworkIdentifier)
 		GeneratorBoolAttribute: g,
 	}
 
-	t, err := template.New("bool_attribute").Parse(boolAttributeGoTemplate)
+	switch {
+	case g.CustomType != nil:
+		a.CustomType = g.CustomType.Type
+	case g.AssociatedExternalType != nil:
+		a.CustomType = fmt.Sprintf("%sType{}", name.ToPascalCase())
+	}
+
+	t, err := template.New("bool_attribute").Parse(boolAttributeTemplate)
+
 	if err != nil {
 		return "", err
 	}
 
-	if _, err = addCommonAttributeTemplate(t); err != nil {
+	if _, err = addAttributeTemplate(t); err != nil {
 		return "", err
 	}
 
@@ -95,9 +113,58 @@ func (g GeneratorBoolAttribute) ModelField(name generatorschema.FrameworkIdentif
 		ValueType: model.BoolValueType,
 	}
 
-	if g.CustomType != nil {
+	switch {
+	case g.CustomType != nil:
 		field.ValueType = g.CustomType.ValueType
+	case g.AssociatedExternalType != nil:
+		field.ValueType = fmt.Sprintf("%sValue", name.ToPascalCase())
 	}
 
 	return field, nil
 }
+
+func (g GeneratorBoolAttribute) CustomTypeAndValue(name string) ([]byte, error) {
+	if g.AssociatedExternalType == nil {
+		return nil, nil
+	}
+
+	var buf bytes.Buffer
+
+	boolType := generatorschema.NewCustomBoolType(name)
+
+	b, err := boolType.Render()
+
+	if err != nil {
+		return nil, err
+	}
+
+	buf.Write(b)
+
+	boolValue := generatorschema.NewCustomBoolValue(name)
+
+	b, err = boolValue.Render()
+
+	if err != nil {
+		return nil, err
+	}
+
+	buf.Write(b)
+
+	return buf.Bytes(), nil
+}
+
+func (g GeneratorBoolAttribute) ToFromFunctions(name string) ([]byte, error) {
+	if g.AssociatedExternalType == nil {
+		return nil, nil
+	}
+
+	toFrom := generatorschema.NewToFromBool(name, g.AssociatedExternalType)
+
+	b, err := toFrom.Render()
+
+	if err != nil {
+		return nil, err
+	}
+
+	return b, nil
+}