代码实现速卖通最低价 Aliexpress min price

1. // ==UserScript==
2. // @name Aliexpress min price
3. // @namespace https://www.chinaobd2.com
4. // @version 0.3
5. // @author Mateusz Kula
6. // @description Update minimum available price
7. // @icon https://kulam.pl/script/aliexpress-min%20price/icon.jpg
8. // @icon64 https://kulam.pl/script/aliexpress-min%20price/icon.jpg
9. // @supportURL https://kulam.pl/kontakt
10. // @match https://*.aliexpress.com/*
11. // @match http://*.aliexpress.com/*
12. // @match http://aliexpress.com/*
13. // @match https://chinaobd2.com/*
14. // @grant GM_registerMenuCommand
15. // @grant unsafeWindow
16. // @homepageURL https://ukobd2.com
17.  
18.  
19. // ==/UserScript==
20.  
21. var displaySwitch = true; //show min price [true/false]
22. var replaceSwitch = false; //deprecated! replace aliexpress min price [true/false]
23. var alertSwitch = true; //show min price and quantity, [true/false]
24. var showCheapestVariantName = true;//show names of cheaper item
25.  
26. var cheapestVariantName = [];
27. var skuProducts = unsafeWindow.runParams.data.skuModule.skuPriceList;
28. if (alertSwitch || displaySwitch || showCheapestVariantName) {
29. var first = true;
30. for (var counter = 0; counter < skuProducts.length; counter++) {
31. if (+skuProducts[counter].skuVal.availQuantity > 0) {
32.  
33. var price = null;
34. if (skuProducts[counter].skuVal.skuActivityAmount && skuProducts[counter].skuVal.skuActivityAmount.value) { price = 'skuActivityAmount'; }
35. else {
36. price = 'skuAmount';
37. }
38.  
39. if (first)//set first available item price as min
40. {
41. var mini = +skuProducts[counter].skuVal[price].value;
42. var quantity = +skuProducts[counter].skuVal.availQuantity;
43. first = false;
44. cheapestVariantName.push(skuProducts[counter].skuAttr);
45. }
46. else {
47. if (+skuProducts[counter].skuVal[price].value <= mini)//found lower/the same price price
48. {
49. if (+skuProducts[counter].skuVal[price].value < mini)//lower price
50. {
51. mini = +skuProducts[counter].skuVal[price].value; quantity = +skuProducts[counter].skuVal.availQuantity;
52. cheapestVariantName = [];
53. cheapestVariantName.push(skuProducts[counter].skuAttr);
54. }
55. else//same price
56. {
57. quantity += +skuProducts[counter].skuVal.availQuantity;
58. cheapestVariantName.push(skuProducts[counter].skuAttr);
59. }
60. }
61. }
62. }
63. }
64. }
65. var cheapestProductsNames = parseItemsAttr(cheapestVariantName);
66. if (displaySwitch && +mini > 0) {
67. var productPriceCurrent = document.querySelector('.product-info div.product-price-current,.product-info .uniform-banner-box-price');
68. var miniNode = document.createElement("span");
69. miniNode.innerHTML = ('<span id="aliminprice" style="cursor: help;">[' + mini + '] </span>');
70. miniNode.title = cheapestProductsNames;
71. productPriceCurrent.insertBefore(miniNode, productPriceCurrent.childNodes[0]);
72. }
73.  
74. function parseItemsAttr(cheapestVariantName) {
75. //arrayOfItems example: ["14:200002984#Shape28;5:361386;154:1433"]
76. var items = cheapestVariantName.map(parseItemAttr);
77. /*
78. items example:
79. [
80. [
81. {"Id":"14","ValueId":"200002984"},{"Id":"5","ValueId":"361386"},{"Id":"154","ValueId":"1433"}
82. ]
83. ]
84. */
85. var productsNamesArray = items.map(findProductNames);
86. //productNames example: ["Shape28:M:3PCS","Shape30:L:3PCS"]
87. var productNamesS = productsNamesArray.join(", \n");
88. return productNamesS;
89.  
90. }
91. function parseItemAttr(e, i) {
92. //e example: 14:200002984#Shape28;5:361386;154:1433
93. const properties = e.split(";").map(formatProp);
94. return properties;
95. }
96. function formatProp(e, i) {
97. var temp = e.split(":");
98. var prop = { Id: temp[0], ValueId: temp[1].split("#")[0] }
99. return prop;
100. }
101. function findProductNames(e, i) {
102. //e example: {"Id":"14","ValueId":"200002984"},{"Id":"5","ValueId":"361386"},{"Id":"154","ValueId":"1433"}
103. var productNames = e.map(productName)
104. return productNames.join(" + ");
105. }
106. function productName(e, i) {
107. //e example: {"Id":"14","ValueId":"200002984"}
108. //search
109. var productSKUPropertyList = unsafeWindow.runParams.data.skuModule.productSKUPropertyList;
110. var productSKUPropertyListElement = productSKUPropertyList.find(({ skuPropertyId }) => skuPropertyId == e.Id);
111. var skuPropertyValues = productSKUPropertyListElement.skuPropertyValues.find(({ propertyValueId }) => propertyValueId == e.ValueId);
112. return skuPropertyValues.propertyValueDisplayName;
113. }
114.  
115. function formatSkuAttr(skuAttr) {
116. let name = "";
117. const specs = skuAttr.split(';');
118. specs.forEach(function (spec) {
119. const specName = spec.split('#');
120. if (specName.length == 2) { name += specName[1] + " | "; }
121. else { name += "name not found "; }
122. });
123. return name
124. }
125.  
126. GM_registerMenuCommand('Ali min price', function find() {
127. if (alertSwitch) {
128. var minPriceAlertMessage = "";
129. if (first == true) { minPriceAlertMessage = "not found\n"; }
130. else {
131. minPriceAlertMessage = "minimum price: " + mini + "\nquantity: " + quantity + "\n Variants:\n" + cheapestProductsNames;
132. }
133. alert(minPriceAlertMessage);
134. }
135.  
136. }, 'q');