commit 12f116c5d8eebdf18ead357813b8e94f1d778155
Author: Alexis Métaireau <alexis@notmyidea.org>
Date:   Fri Jan 31 15:28:31 2025 +0100

    Filter rows by delivery date.

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..9fc7866
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,301 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
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+ "serde",
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+ "crc32fast",
+ "crossbeam-utils",
+ "displaydoc",
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+ "memchr",
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+]
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+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..68fa470
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "jardiflore"
+version = "0.1.0"
+edition = "2021"
+
+[[bin]]
+name = "jardiflore"
+path = "main.rs"
+
+[dependencies]
+calamine = "0.26.1"
+serde = "1.0.217"
diff --git a/main.rs b/main.rs
new file mode 100644
index 0000000..fb96423
--- /dev/null
+++ b/main.rs
@@ -0,0 +1,71 @@
+use calamine::{open_workbook, Data, Reader, Xlsx};
+
+#[derive(Debug, Clone)]
+struct Record {
+    client_code: String,
+    species: String,
+    variety: String,
+    delivery_week: String,
+}
+
+const COLUMN_MAP: [(&str, char); 5] = [
+    ("client_code", 'A'),
+    ("species", 'B'),
+    ("variety", 'C'),
+    ("sowing_week", 'I'),
+    ("delivery_week", 'J'),
+];
+
+fn letter_to_index(col: char) -> usize {
+    (col as u8 - b'A') as usize
+}
+
+fn column_name_to_index(column: &str) -> usize {
+    COLUMN_MAP
+        .map(|(name, col)| (name, letter_to_index(col)))
+        .iter()
+        .find(|(name, _)| *name == column)
+        .unwrap()
+        .1
+}
+
+fn get_cell_value(row: &[Data], column: &str) -> String {
+    let col_index = column_name_to_index(column);
+    match row.get(col_index) {
+        Some(Data::String(s)) => s.to_string(),
+        Some(Data::Float(f)) => f.to_string(),
+        _ => "".to_string(),
+    }
+}
+
+fn parse_xlsx(delivery_week_filter: &str) -> Result<Vec<Record>, Box<dyn std::error::Error>> {
+    let mut workbook: Xlsx<_> = open_workbook("data.xlsx")?;
+    let range = workbook.worksheet_range("Feuille1")?;
+
+    let records: Vec<Record> = range
+        .rows()
+        .filter_map(|row| {
+            let delivery_week = get_cell_value(row, "delivery_week");
+            if delivery_week.to_lowercase() != delivery_week_filter.to_lowercase() {
+                return None;
+            }
+
+            Some(Record {
+                client_code: get_cell_value(row, "client_code"),
+                species: get_cell_value(row, "species"),
+                variety: get_cell_value(row, "variety"),
+                delivery_week,
+            })
+        })
+        .collect();
+
+    Ok(records)
+}
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let records = parse_xlsx("s06")?;
+    for record in records {
+        println!("{:?}", record);
+    }
+    Ok(())
+}