[demo] add sheet file

Author: ananthakumaran

.gitignore

@@ -1,5 +1,6 @@
 paisa.db
 /paisa.yaml
+/Schedule AL.paisa
 /paisa
 /sample
 web/static

internal/generator/config.go

@@ -60,6 +60,7 @@ db_path: '%s'
 func Demo(cwd string) {
 	generateConfigFile(cwd)
 	generateJournalFile(cwd)
+	generateSheetFile(cwd)
 }
 
 func generateConfigFile(cwd string) {
@@ -112,6 +113,9 @@ schedule_al:
   - code: liability
     accounts:
       - Liabilities:Homeloan
+  - code: immovable
+    accounts:
+      - Assets:House
 commodities:
   - name: NIFTY
     type: mutualfund
@@ -457,3 +461,37 @@ func generateJournalFile(cwd string) {
 
 	emitChitFund(&state)
 }
+
+func generateSheetFile(cwd string) {
+	sheetFilePath := filepath.Join(cwd, "Schedule AL.paisa")
+	sheet := `
+date_query = {date <= [2023-03-31]}
+cost_basis(x) = cost(fifo(x AND date_query))
+cost_basis_negative(x) = cost(fifo(negate(x AND date_query)))
+
+# Immovable
+immovable = cost_basis({account = Assets:House})
+
+# Movable
+metal = 0
+art = 0
+vehicle = 0
+bank = cost_basis({account =~ /^Assets:Checking/})
+share = cost_basis({account =~ /^Assets:Equity:.*/ OR
+                    account =~ /^Assets:Debt:.*/})
+insurance = 0
+loan = 0
+cash = 0
+
+# Liability
+liability = cost_basis_negative({account =~ /^Liabilities:Homeloan/})
+
+# Total
+total = immovable + metal + art + vehicle + bank + share + insurance + loan + cash - liability
+`
+	log.Info("Generating sheet file: ", sheetFilePath)
+	err := os.WriteFile(sheetFilePath, []byte(sheet), 0644)
+	if err != nil {
+		log.Fatal(err)
+	}
+}

src/lib/sheet/functions.ts

@@ -12,6 +12,19 @@ function cost(env: Environment, q: PostingsOrQuery): BigNumber {
   return ps.reduce((acc, p) => acc.plus(new BigNumber(p.amount)), new BigNumber(0));
 }
 
+function negate(env: Environment, q: PostingsOrQuery): Posting[] {
+  assertType("Postings", q);
+
+  const ps = toPostings(env, q);
+  return ps.map((p) => {
+    p = { ...p };
+    p.quantity = -p.quantity;
+    p.amount = -p.amount;
+    p.market_amount = -p.market_amount;
+    return p;
+  });
+}
+
 function fifo(env: Environment, q: PostingsOrQuery): Posting[] {
   assertType("Postings", q);
 
@@ -32,7 +45,13 @@ function fifo(env: Environment, q: PostingsOrQuery): Posting[] {
             if (a.quantity > quantity) {
               const diff = a.quantity - quantity;
               const price = a.amount / a.quantity;
-              available.unshift({ ...a, quantity: diff, amount: diff * price });
+              const marketPrice = a.market_amount / a.quantity;
+              available.unshift({
+                ...a,
+                quantity: diff,
+                amount: diff * price,
+                market_amount: diff * marketPrice
+              });
               quantity = 0;
             } else {
               quantity -= a.quantity;
@@ -53,4 +72,4 @@ function toPostings(env: Environment, q: PostingsOrQuery) {
   return q.resolve(env);
 }
 
-export const functions = { cost, fifo };
+export const functions = { cost, fifo, negate };

src/routes/(app)/more/sheets/+page.svelte

@@ -48,10 +48,10 @@
   <div class="container is-fluid">
     <div class="columns">
       <div class="column is-6 mx-auto">
-        <div class="box px-3">
+        <div class="flex items-center justify-center mt-5">
           <div class="field">
             <p class="control">
-              <button class="button is-link" on:click={(_e) => openCreateModal()}>
+              <button class="button is-medium is-link" on:click={(_e) => openCreateModal()}>
                 <span class="icon is-small">
                   <i class="fas fa-file-circle-plus" />
                 </span>