clerk: internal/linter/rule_orderdate.go (d3fcad3049dc9b55eb775f22fdfb98d83101cd26)

clerk/internal/linter/rule_orderdate.go (view raw)

Oleksandr Smirnov feat: config (#6), 1 month ago

package linter

import (
	"fmt"

	"olexsmir.xyz/clerk/internal/analyzer"
	"olexsmir.xyz/clerk/journal/ast"
)

const OrderDateID RuleID = "orderdate"

// OrderDate checks that transactions are in chronological order by date.
type OrderDate struct{}

func (OrderDate) ID() RuleID { return OrderDateID }
func (o *OrderDate) CheckJournal(an *analyzer.Analysis) []Find {
	var finds []Find
	var anchor *ast.Date
	for _, pf := range an.Files {
		for _, entry := range pf.Ast.Entries {
			txn, ok := entry.(*ast.Transaction)
			if !ok {
				continue
			}
			if anchor != nil && txn.Date.Compare(*anchor) < 0 {
				finds = append(finds, Find{
					Code:    o.ID(),
					Message: fmt.Sprintf("transaction is out of chronological order (date %s before %s)", txn.Date, *anchor),
					Span:    txn.Date.Span,
				})
				continue
			}
			anchor = &txn.Date
		}
	}
	return finds
}

1	package linter
2
3	import (
4	"fmt"
5
6	"olexsmir.xyz/clerk/internal/analyzer"
7	"olexsmir.xyz/clerk/journal/ast"
8	)
9
10	const OrderDateID RuleID = "orderdate"
11
12	// OrderDate checks that transactions are in chronological order by date.
13	type OrderDate struct{}
14
15	func (OrderDate) ID() RuleID { return OrderDateID }
16	func (o OrderDate) CheckJournal(an analyzer.Analysis) []Find {
17	var finds []Find
18	var anchor *ast.Date
19	for _, pf := range an.Files {
20	for _, entry := range pf.Ast.Entries {
21	txn, ok := entry.(*ast.Transaction)
22	if !ok {
23	continue
24	}
25	if anchor != nil && txn.Date.Compare(*anchor) < 0 {
26	finds = append(finds, Find{
27	Code: o.ID(),
28	Message: fmt.Sprintf("transaction is out of chronological order (date %s before %s)", txn.Date, *anchor),
29	Span: txn.Date.Span,
30	})
31	continue
32	}
33	anchor = &txn.Date
34	}
35	}
36	return finds
37	}