codegen

type GoField struct {
	Name string
	Type GoType
	Tags string
}

type GoStruct struct {
	Name     string
	Fields   []GoField
	Comments string
}

type GoType struct {
	Pkg       string
	ID        string
	IsPointer bool
	IsList    bool
}

type InvalidateTemplate struct {
	ArgName       string
	ValName       string
	CacheDuration time.Duration
}

type LoadDumpFunc struct {
	TableName  string
	Columns    []string
	PrimaryKey []string
}

type LoadDumpFuncTemplate struct {
	RepoName       string
	MainStructName string
	SelectAllSQL   string
	InsertRowSQL   string
}

type MutationFunc struct {
	Name        string
	SQL         string
	Input       *GoStruct
	Invalidates []*QueryFunc
}

type MutationFuncTemplate struct {
	RepoName     string
	MutationName string
	MutationSig  string
	SQLVarName   string
	Invalidates  []InvalidateTemplate
}

type QueryFunc struct {
	Name          string
	SQL           string
	CacheDuration *time.Duration
	Input         *GoStruct
	Output        *GoStruct
	IsList        bool
}

type QueryFuncTemplate struct {
	RepoName        string
	QueryName       string
	QueryInnerSig   string
	QuerySig        string
	HiddenQueryName string
	RstTypeName     string
	CacheDuration   *time.Duration // nil = nocache, 0s = forever.
	SQLVarName      string
	IsList          bool
	InitArgsType    string // init a empty args in the ourter func, if not empty string.
}

type RepoTemplate struct {
	NeedleVersion       string
	TableSchema         string
	PkgName             string
	InterfaceName       string
	InterfaceSignatures []string
	RepoName            string
	MainStruct          string
	MainStructName      string
	LoadDump            string
	Statements          []SQLStatementDecl
	Queries             []string
	Mutations           []string
}

type SQLStatementDecl struct {
	VarName    string
	EscapedSQL string
}