basic internal structure

internal/model/company.go

@@ -0,0 +1,28 @@
+package model
+
+type Currency struct {
+	ID   int
+	Code string
+	Name string
+}
+
+type Company struct {
+	ID                int
+	Name              string
+	SharesOutstanding int
+	Price             float64
+	CurrencyID        int
+	Currency          *Currency // populated on joins
+}
+
+type CompanyInput struct {
+	Name              string  `json:"name"`
+	SharesOutstanding int     `json:"shares_outstanding"`
+	Price             float64 `json:"price"`
+	CurrencyID        int     `json:"currency_id"`
+}
+
+type CurrencyInput struct {
+	Code string `json:"code"`
+	Name string `json:"name"`
+}