add img to utils.typ

template/coursework.typ

@@ -1,7 +1,7 @@
 #import "@local/nure:0.1.0": *
 #import style: spacing
 
-// #import "utils.typ": *
+#import "utils.typ": img
 
 #let authors = (
   (

template/lab.typ

@@ -1,5 +1,5 @@
 #import "@local/nure:0.1.0": *
-// #import "utils.typ": *
+#import "utils.typ": img
 
 #import style: spacing
 

template/utils.typ

@@ -0,0 +1,36 @@
+/// captioned image with label derived from path:
+/// - "image.png" = @image
+/// - "img/image.png" = @image
+/// - "img/foo/image.png" = @foo_image
+/// - "img/foo/foo_image.png" = @foo_image
+/// the caption will be modified based on a conditional positional value:
+/// - `none`: no change
+/// - some value: "`caption` (за даними `value`)"
+/// - no value: "`caption` (рисунок виконано самостійно)"
+/// additional named arguments will be passed to original `image` function
+#let img(path, caption, ..sink) = {
+  let parts = path.split(".").first().split("/")
+
+  let label_string = if (
+    parts.len() <= 2 or parts.at(-1).starts-with(parts.at(-2))
+  ) {
+    // ("image",), (_, "image") and (.., "img", "img_image")
+    parts.last()
+  } else {
+    // (.., "img", "image") = "img_image"
+    parts.at(-2) + "_" + parts.at(-1)
+  }.replace(" ", "_")
+
+  let caption = if sink.pos().len() == 0 {
+    caption
+  } else if sink.pos().first() == none {
+    caption + " (рисунок виконано самостійно)"
+  } else {
+    [#caption (за даними #sink.pos().first())]
+  }
+
+  [#figure(
+      image(path, ..sink.named()),
+      caption: caption,
+    ) #label(label_string)]
+}