Split accounts and transactions into models

internal/models/accounts.go

@@ -0,0 +1,118 @@
+package models
+
+import (
+	"encoding/json"
+	"net/http"
+	"strings"
+)
+
+type AccountType int64
+
+const (
+	Bank       AccountType = 1 // start at 1 so that the default (0) is invalid
+	Cash                   = 2
+	Asset                  = 3
+	Liability              = 4
+	Investment             = 5
+	Income                 = 6
+	Expense                = 7
+	Trading                = 8
+	Equity                 = 9
+	Receivable             = 10
+	Payable                = 11
+)
+
+var AccountTypes = []AccountType{
+	Bank,
+	Cash,
+	Asset,
+	Liability,
+	Investment,
+	Income,
+	Expense,
+	Trading,
+	Equity,
+	Receivable,
+	Payable,
+}
+
+func (t AccountType) String() string {
+	switch t {
+	case Bank:
+		return "Bank"
+	case Cash:
+		return "Cash"
+	case Asset:
+		return "Asset"
+	case Liability:
+		return "Liability"
+	case Investment:
+		return "Investment"
+	case Income:
+		return "Income"
+	case Expense:
+		return "Expense"
+	case Trading:
+		return "Trading"
+	case Equity:
+		return "Equity"
+	case Receivable:
+		return "Receivable"
+	case Payable:
+		return "Payable"
+	}
+	return ""
+}
+
+type Account struct {
+	AccountId         int64
+	ExternalAccountId string
+	UserId            int64
+	SecurityId        int64
+	ParentAccountId   int64 // -1 if this account is at the root
+	Type              AccountType
+	Name              string
+
+	// monotonically-increasing account transaction version number. Used for
+	// allowing a client to ensure they have a consistent version when paging
+	// through transactions.
+	AccountVersion int64 `json:"Version"`
+
+	// Optional fields specifying how to fetch transactions from a bank via OFX
+	OFXURL       string
+	OFXORG       string
+	OFXFID       string
+	OFXUser      string
+	OFXBankID    string // OFX BankID (BrokerID if AcctType == Investment)
+	OFXAcctID    string
+	OFXAcctType  string // ofxgo.acctType
+	OFXClientUID string
+	OFXAppID     string
+	OFXAppVer    string
+	OFXVersion   string
+	OFXNoIndent  bool
+}
+
+type AccountList struct {
+	Accounts *[]Account `json:"accounts"`
+}
+
+func (a *Account) Write(w http.ResponseWriter) error {
+	enc := json.NewEncoder(w)
+	return enc.Encode(a)
+}
+
+func (a *Account) Read(json_str string) error {
+	dec := json.NewDecoder(strings.NewReader(json_str))
+	return dec.Decode(a)
+}
+
+func (al *AccountList) Write(w http.ResponseWriter) error {
+	enc := json.NewEncoder(w)
+	return enc.Encode(al)
+}
+
+func (al *AccountList) Read(json_str string) error {
+	dec := json.NewDecoder(strings.NewReader(json_str))
+	return dec.Decode(al)
+}