From 853d3c3f66bddf7ad1059763afa9af4bee0fe65f Mon Sep 17 00:00:00 2001
From: Zev Averbach <zev@averba.ch>
Date: Sat, 3 Feb 2024 11:35:55 +0100
Subject: [PATCH] first

---
 scrape.js | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 scrape.js

diff --git a/scrape.js b/scrape.js
new file mode 100644
index 0000000..d66dd9e
--- /dev/null
+++ b/scrape.js
@@ -0,0 +1,110 @@
+const getOrderElements = () => Array.from(document.querySelectorAll(".order-details-box"))
+
+function getDateOfOrder(orderEl) {
+    console.log(orderEl);
+    return Date.parse(
+        orderEl
+        .children[0]
+        .children[1]
+        .innerText
+        .split("Delivered on ")
+        .slice(-1)[0]
+    );
+}
+
+const getSupps = orderEl => Array.from(orderEl.children[1].children[0].children);
+
+SERVINGS_LOOKUP = {
+    "Liquid D-3 & MK-7": {
+        numUnitsInServing: .368, 
+        servingUnit: "ml",
+    },
+    "Crucera-SGS": {
+        numUnitsInServing: 1, 
+        servingUnit: "cap",
+    },
+    "Creatine": {
+        numUnitsInServing: 5, 
+        servingUnit: "g",
+    },
+    "Liquid Iodine Plus": {
+        numUnitsInServing: .126, 
+        servingUnit: "ml",
+    },
+};
+
+const getNumBottles = orderEl => parseInt(orderEl
+    .children[1]
+    .children[0]
+    .children[0]
+    .children[1]
+    .children[1]
+    .innerText
+    .split("Qty: ").slice(-1)[0]);
+
+const SKIP_THESE = [
+    "Organic Brown Mustard",
+    "Sunflower Lecithin",
+    "Premium Whole Flaxseed",
+    "Organic Chia Seeds",
+    "Raw Macadamias",
+    "Hulled Hemp Seeds",
+];
+
+function makeSuppObj(sup) {
+    const ord = sup.parentElement.parentElement.parentElement;
+    const parts = sup.children[1].children[0].innerText.split(", ");
+
+    // TODO: if '(' in quantityText, use that as the serving
+    //       in order to get the number of servings on hand
+    const quantityText = parts.slice(-1)[0];
+    const servingText = parts.slice(-2, -1)[0];
+    const name = parts[1];
+    if (SKIP_THESE.includes(name)) {
+        return null;
+    }
+    let numUnitsInServing, servingUnit;
+
+    if (!servingText.includes(" ")) {
+        const servingObj = SERVINGS_LOOKUP[name];
+        if (servingObj == undefined) {
+            throw {
+                name: "servingError",
+                level: "serious",
+                message: `couldn't get serving info for ${name} '(${parts})'`,
+                htmlMessage: this.message,
+                toString: function(){return this.name + ": " + this.message;} 
+            };
+        } else {
+            console.log(servingObj);
+            ({ numUnitsInServing, servingUnit } = servingObj);
+        }
+    } else {
+        [numUnitsInServing, servingUnit] = servingText.split(" ");
+    }
+
+    if (typeof numUnitsInServing !== "number") {
+        numUnitsInServing = numUnitsInServing.replace(",", "");
+    }
+    numUnitsInServing = parseInt(numUnitsInServing);
+
+    return {
+        orderDate: new Date(getDateOfOrder(ord)),
+        name,
+        quantity: parseInt(quantityText.split(" ")[0]),
+        servingUnit,
+        numUnitsInServing,
+        numBottles: getNumBottles(ord),
+    }
+}
+
+
+function main(orderCutoffHuman) {
+    const orderCutoff = Date.parse(orderCutoffHuman);
+    const orderEls = getOrderElements().filter(el => getDateOfOrder(el) > orderCutoff)
+    let suppEls = [];
+    for (const orderEl of orderEls) {
+        suppEls = suppEls.concat(getSupps(orderEl));
+    }
+    return suppEls.map(suppEl => makeSuppObj(suppEl)).filter(res => res != null);
+}