feat: implement reports

src/export/typst/config.rs

@@ -43,11 +43,25 @@ pub enum Variant {
     Key,
     /// A bubble sheet matching the form.
     AnswerSheet,
+    /// One student's diagnostic, which carries no questions.
+    StudentReport,
+    /// The instructor's class diagnostic.
+    CohortReport,
 }
 
 impl Variant {
     /// Every variant, in the order `export` writes them.
-    pub const ALL: [Variant; 3] = [Variant::Exam, Variant::Key, Variant::AnswerSheet];
+    pub const ALL: [Variant; 5] = [
+        Variant::Exam,
+        Variant::Key,
+        Variant::AnswerSheet,
+        Variant::StudentReport,
+        Variant::CohortReport,
+    ];
+
+    /// The variants `export typst` produces. A report is not built from an
+    /// assessment record alone, so `export typst` must not default to it.
+    pub const EXAM: [Variant; 3] = [Variant::Exam, Variant::Key, Variant::AnswerSheet];
 
     /// The token used on the command line, in config keys, and in file names.
     pub fn as_str(self) -> &'static str {
@@ -55,6 +69,8 @@ impl Variant {
             Variant::Exam => "exam",
             Variant::Key => "key",
             Variant::AnswerSheet => "answer-sheet",
+            Variant::StudentReport => "student-report",
+            Variant::CohortReport => "cohort-report",
         }
     }
 
@@ -103,6 +119,8 @@ impl Variant {
             Variant::Exam => "",
             Variant::Key => "-key",
             Variant::AnswerSheet => "-answer-sheet",
+            Variant::StudentReport => "-student",
+            Variant::CohortReport => "-cohort",
         }
     }
 }
@@ -422,6 +440,30 @@ impl RenderConfig {
                     calibration: false,
                 };
             }
+            Variant::StudentReport => {
+                // Belt and braces. The student payload is built by
+                // `typst::diagnostic`, which has no question text to reveal in the
+                // first place; this says so in the one place someone would look.
+                config.reveal = Reveal::Nothing;
+                config.stimulus = StimulusMode::Omit;
+                config.fields = Fields {
+                    uid: false,
+                    title: false,
+                    points: true,
+                    level: true,
+                    objectives: true,
+                    topics: false,
+                    assets: false,
+                    source_letters: false,
+                    design: false,
+                    calibration: false,
+                };
+            }
+            Variant::CohortReport => {
+                config.reveal = Reveal::Everything;
+                config.stimulus = StimulusMode::Omit;
+                config.fields.calibration = true;
+            }
         }
         config
     }