common

Documentation

Index

• Constants
• Variables
• func Config(configData DatabaseStore)
• func CreateFile(name string) *os.File
• func DecodeJson[T IDecodedJson](r *http.Request) (*T, error)
• func Dump()
• func EncodeJson[T Row[string] | TableColumn | []Row[string]](obj T) (string, error)
• func ReadConfigFile[T []Table | []TableMetaData](name string) (T, error)
• func SyncDBFiles()
• func WriteFile(file io.Writer, binData any) error
• type ColumnIdType
  • func FindColumnByName(tid TableIdType, name string) (ColumnIdType, error)
• type DatabaseStore
  • func Load() (bool, DatabaseStore)
• type DeleteRowType
• type File
  • func NewFile(path string) File
  • func (f File) Append(bytes []byte) error
  • func (f *File) Close()
  • func (f *File) ReadBytes() ([]byte, error)
  • func (f File) WriteBytes(bytes []byte) error
  • func (f File) WriteString(content string) error
• type FilterType
• type GetRow
• type IDecodedJson
• type NewColumn
• type NewRow
• type Row
  • func GetRowById(tid TableIdType, id RowIdType) (Row[ColumnIdType], error)
• type RowIdType
  • func AddNewRow(tid TableIdType, cols map[ColumnIdType]interface{}) (RowIdType, error)
• type Table
  • func (t *Table) DeleteRow(rid RowIdType) error
  • func (t Table) UpdateRow(rid RowIdType, diff map[ColumnIdType]interface{}) error
• type TableColumn
• type TableIdType
• type TableMetaData
  • func (table *TableMetaData) CreateNewColumn(name string, colType uint8) (ColumnIdType, error)
• type UpdateRowData

Constants

const DATA_FILE_NAME = ".store/data.bin"

const METADATA_FILE_PATH = ".store/metadata.bin"

Variables

var ColumnsTypeEnum = [3]string{
	"number",
	"string",
	"bool",
}

var ErrClosedFile error = errors.New("File is closed")

var ResponseStrings = map[string]string{
	"T1": "Table with this id not found",
	"C1": "This column type is not allowed",
	"C2": "Column with this name was not found",
	"R0": "Row with id %d has been found",
	"R1": "Row with this id was not found",
	"R2": "Row with id %d has been deleted",
	"R3": "New row has been created with id %d",
}

Functions

func Config

func Config(configData DatabaseStore)

func CreateFile

func CreateFile(name string) *os.File

func DecodeJson

func DecodeJson[T IDecodedJson](r *http.Request) (*T, error)

func Dump

func Dump()

func EncodeJson

func EncodeJson[T Row[string] | TableColumn | []Row[string]](obj T) (string, error)

func ReadConfigFile

func ReadConfigFile[T []Table | []TableMetaData](name string) (T, error)

func SyncDBFiles

func SyncDBFiles()

func WriteFile

func WriteFile(file io.Writer, binData any) error

Types

type ColumnIdType

type ColumnIdType uint32

func FindColumnByName

func FindColumnByName(tid TableIdType, name string) (ColumnIdType, error)

type DatabaseStore

type DatabaseStore struct {
	Tables         []Table
	TablesMetaData []TableMetaData
}

var Store DatabaseStore

func Load

func Load() (bool, DatabaseStore)

type DeleteRowType

type DeleteRowType struct {
	Table TableIdType `json:"table"`
	// contains filtered or unexported fields
}

type File

type File struct {
	Path     string
	Desc     *os.File
	Content  []byte
	IsOpened bool
}

func NewFile

func NewFile(path string) File

func (File) Append

func (f File) Append(bytes []byte) error

func (*File) Close

func (f *File) Close()

func (*File) ReadBytes

func (f *File) ReadBytes() ([]byte, error)

func (File) WriteBytes

func (f File) WriteBytes(bytes []byte) error

func (File) WriteString

func (f File) WriteString(content string) error

type FilterType

type FilterType map[string][]string

type GetRow

type GetRow struct {
	Table TableIdType `json:"table"`
	// contains filtered or unexported fields
}

type IDecodedJson

type IDecodedJson interface {
	NewRow | GetRow | NewColumn | UpdateRowData | DeleteRowType
}

type NewColumn

type NewColumn struct {
	Name  string      `json:"name"`
	Table TableIdType `json:"table"`
	Type  string      `json:"type"`
}

type NewRow

type NewRow struct {
	Columns map[string]interface{} `json:"columns"`
	Table   TableIdType            `json:"table"`
}

type Row

type Row[T ColumnIdType | string] struct {
	Id      RowIdType         `json:"id"`
	Columns map[T]interface{} `json:"columns"`
}

func GetRowById

func GetRowById(tid TableIdType, id RowIdType) (Row[ColumnIdType], error)

type RowIdType

type RowIdType uint64

func AddNewRow

func AddNewRow(tid TableIdType, cols map[ColumnIdType]interface{}) (RowIdType, error)

type Table

type Table struct {
	Id   TableIdType
	Rows []Row[ColumnIdType]
}

func (*Table) DeleteRow

func (t *Table) DeleteRow(rid RowIdType) error

func (Table) UpdateRow

func (t Table) UpdateRow(rid RowIdType, diff map[ColumnIdType]interface{}) error

type TableColumn

type TableColumn struct {
	Id         ColumnIdType `json:"id"`
	Name       string       `json:"name"`
	Type       uint8        `json:"type"`
	IsOptional bool         `json:"isoptional"`
}

type TableIdType

type TableIdType uint8

type TableMetaData

type TableMetaData struct {
	Name    string
	Columns []TableColumn
}

func (*TableMetaData) CreateNewColumn

func (table *TableMetaData) CreateNewColumn(name string, colType uint8) (ColumnIdType, error)

type UpdateRowData

type UpdateRowData struct {
	Table   TableIdType            `json:"table"`
	Colunms map[string]interface{} `json:"columns"`
	// contains filtered or unexported fields
}