Move accountant to it's own deployment using gRCP

cmd/rove-accountant/internal/accounts.go

@@ -0,0 +1,76 @@
+package internal
+
+import (
+	"fmt"
+)
+
+const kAccountsFileName = "rove-accounts.json"
+
+// Account represents a registered user
+type Account struct {
+	// Name simply describes the account and must be unique
+	Name string `json:"name"`
+
+	// Data represents internal account data
+	Data map[string]string `json:"data"`
+}
+
+// Represents the accountant data to store
+type accountantData struct {
+}
+
+// Accountant manages a set of accounts
+type Accountant struct {
+	Accounts map[string]Account `json:"accounts"`
+}
+
+// NewAccountant creates a new accountant
+func NewAccountant() *Accountant {
+	return &Accountant{
+		Accounts: make(map[string]Account),
+	}
+}
+
+// RegisterAccount adds an account to the set of internal accounts
+func (a *Accountant) RegisterAccount(name string) (acc Account, err error) {
+
+	// Set the account name
+	acc.Name = name
+	acc.Data = make(map[string]string)
+
+	// Verify this acount isn't already registered
+	for _, a := range a.Accounts {
+		if a.Name == acc.Name {
+			return Account{}, fmt.Errorf("Account name already registered")
+		}
+	}
+
+	// Simply add the account to the map
+	a.Accounts[acc.Name] = acc
+
+	return
+}
+
+// AssignRover assigns data to an account
+func (a *Accountant) AssignData(account string, key string, value string) error {
+
+	// Find the account matching the ID
+	if this, ok := a.Accounts[account]; ok {
+		this.Data[key] = value
+		a.Accounts[account] = this
+	} else {
+		return fmt.Errorf("no account found for id: %s", account)
+	}
+
+	return nil
+}
+
+// GetRover gets the rover rover for the account
+func (a *Accountant) GetValue(account string, key string) (string, error) {
+	// Find the account matching the ID
+	if this, ok := a.Accounts[account]; !ok {
+		return "", fmt.Errorf("no account found for id: %s", account)
+	} else {
+		return this.Data[key], nil
+	}
+}