Using GraphQL SDL to generate the TypeScript Types

src/components/Chronology/ChronologyItemComponent.tsx

@@ -1,11 +1,8 @@
+import { ChronologyItemEntity, Maybe } from "graphql/operations-types";
 import styles from "styles/Chronology/ChronologyItemComponent.module.css";
-import {
-  ChronologyItem,
-  ChronologyItemsEvent,
-} from "queries/chronology/overview";
 
 export type ChronologyItemComponentProps = {
-  item: ChronologyItem;
+  item: ChronologyItemEntity;
   displayYear: boolean;
 };
 
@@ -14,9 +11,8 @@ export default function ChronologyItemComponent(
 ): JSX.Element {
   function generateAnchor(
     year: number,
-    month: number,
-    day: number,
-    event?: number
+    month: Maybe<number> | undefined,
+    day: Maybe<number> | undefined
   ): string {
     let result: string = "";
     result += year;
@@ -25,7 +21,10 @@ export default function ChronologyItemComponent(
     return result;
   }
 
-  function generateYear(displayed_date: string, year: number): string {
+  function generateYear(
+    displayed_date: Maybe<string> | undefined,
+    year: number
+  ): string {
     if (displayed_date) {
       return displayed_date;
     } else {
@@ -33,7 +32,10 @@ export default function ChronologyItemComponent(
     }
   }
 
-  function generateDate(month: number, day: number): string {
+  function generateDate(
+    month: Maybe<number> | undefined,
+    day: Maybe<number> | undefined
+  ): string {
     let lut = [
       "Jan",
       "Feb",
@@ -60,6 +62,7 @@ export default function ChronologyItemComponent(
     return result;
   }
 
+  if (props.item && props.item.attributes) {
     return (
       <div
         className={styles.chronologyItem}
@@ -85,16 +88,27 @@ export default function ChronologyItemComponent(
         </p>
 
         <div className={styles.events}>
-        {props.item.attributes.events.map((event: ChronologyItemsEvent) => (
+          {props.item.attributes.events?.map((event) => {
+            if (event) {
+              return (
                 <div className={styles.event} key={event.id}>
-            {event.translations.map((translation) => (
+                  {event.translations?.map((translation) => {
+                    if (translation)
+                      return (
                         <>
-                {translation.title ? <h3>{translation.title}</h3> : ""}
+                          {translation.title ? (
+                            <h3>{translation.title}</h3>
+                          ) : (
+                            ""
+                          )}
 
                           {translation.description ? (
                             <p
                               className={
-                      event.translations.length > 1 ? styles.bulletItem : ""
+                                event.translations &&
+                                event.translations.length > 1
+                                  ? styles.bulletItem
+                                  : ""
                               }
                             >
                               {translation.description}
@@ -108,16 +122,24 @@ export default function ChronologyItemComponent(
                             ""
                           )}
                         </>
-            ))}
+                      );
+                  })}
 
                   <p className={styles.source}>
-              {event.source.data
+                    {event.source &&
+                    event.source.data &&
+                    event.source.data.attributes
                       ? "(" + event.source.data.attributes.name + ")"
                       : "(WARNING: NO SOURCE!)"}
                   </p>
                 </div>
-        ))}
+              );
+            }
+          })}
         </div>
       </div>
     );
+  } else {
+    return <></>;
+  }
 }

src/components/Chronology/ChronologyYearComponent.tsx

@@ -1,9 +1,10 @@
 import styles from "styles/Chronology/ChronologyYearComponent.module.css";
-import { ChronologyItem } from "queries/chronology/overview";
 import ChronologyItemComponent from "components/Chronology/ChronologyItemComponent";
+import { ChronologyItemEntity } from "graphql/operations-types";
 
 type ChronologyYearComponentProps = {
-  items: ChronologyItem[];
+  year: number;
+  items: ChronologyItemEntity[];
 };
 
 export default function ChronologyYearComponent(
@@ -12,13 +13,9 @@ export default function ChronologyYearComponent(
   return (
     <div
       className={styles.chronologyYear}
-      id={
-        props.items.length > 1
-          ? props.items[0].attributes.year.toString()
-          : undefined
-      }
+      id={props.items.length > 1 ? props.year.toString() : undefined}
     >
-      {props.items.map((item: ChronologyItem, index: number) => (
+      {props.items.map((item: ChronologyItemEntity, index: number) => (
         <ChronologyItemComponent
           key={index}
           item={item}

src/components/Library/LibraryItemComponent.tsx

@@ -1,11 +1,11 @@
 import styles from "styles/Library/LibraryItemComponent.module.css";
-import { LibraryItem } from "queries/library";
 import Link from "next/link";
 import Image from "next/image";
 import { BasicDate, getAssetURL } from "queries/helpers";
+import { LibraryItemEntity } from "graphql/operations-types";
 
 export type LibraryItemComponentProps = {
-  item: LibraryItem;
+  item: LibraryItemEntity;
 };
 
 export default function LibraryItemComponent(

src/components/Panels/NavOption.tsx

@@ -5,7 +5,7 @@ import Link from "next/link";
 type NavOptionProps = {
   url: string;
   icon?: string;
-  title: string;
+  title: string | null | undefined;
   subtitle?: string;
   border?: boolean;
 };

src/graphql/operation.graphql

@@ -0,0 +1,103 @@
+query getEras($language_code: String) {
+  chronologyEras {
+    data {
+      id
+      attributes {
+        slug
+        starting_year
+        ending_year
+        title(filters: { language: { code: { eq: $language_code } } }) {
+          title
+        }
+      }
+    }
+  }
+}
+
+query getChronologyItems($language_code: String) {
+  chronologyItems(
+    pagination: { limit: -1 }
+    sort: ["year:asc", "month:asc", "day:asc"]
+  ) {
+    data {
+      id
+      attributes {
+        year
+        month
+        day
+        displayed_date
+        events {
+          id
+          source {
+            data {
+              attributes {
+                name
+              }
+            }
+          }
+          translations(
+            filters: { language: { code: { eq: $language_code } } }
+          ) {
+            title
+            description
+            note
+            status
+          }
+        }
+      }
+    }
+  }
+}
+
+query getLibraryItemsPreview($language_code: String) {
+  libraryItems(
+    filters: { root_item: { eq: true } }
+    pagination: { limit: -1 }
+    sort: ["slug:asc"]
+  ) {
+    data {
+      id
+      attributes {
+        title
+        subtitle
+        slug
+        thumbnail {
+          data {
+            attributes {
+              name
+              alternativeText
+              caption
+              width
+              height
+              url
+            }
+          }
+        }
+        release_date {
+          year
+          month
+          day
+        }
+        price {
+          amount
+          currency {
+            data {
+              attributes {
+                symbol
+                code
+              }
+            }
+          }
+        }
+        size {
+          width
+          height
+          thickness
+        }
+        descriptions(filters: { language: { code: { eq: $language_code } } }) {
+          description
+        }
+      }
+    }
+  }
+}

src/graphql/operations.ts

@@ -0,0 +1,63 @@
+import {
+  GetChronologyItemsQuery,
+  GetChronologyItemsQueryVariables,
+  GetErasQuery,
+  GetErasQueryVariables,
+  GetLibraryItemsPreviewQuery,
+  GetLibraryItemsPreviewQueryVariables,
+} from "graphql/operations-types";
+
+const graphQL = async (query: string, variables?: string) => {
+  const res = await fetch(process.env.URL_GRAPHQL, {
+    method: "POST",
+    body: JSON.stringify({
+      query: query,
+      variables: variables,
+    }),
+    headers: {
+      "content-type": "application/json",
+      Authorization: "Bearer " + process.env.ACCESS_TOKEN,
+    },
+  });
+  return (await res.json()).data;
+};
+
+function getQueryFromOperations(queryName: string): string {
+  const fs = require("fs");
+  const operations: string = fs.readFileSync(
+    "./src/graphql/operation.graphql",
+    "utf8"
+  );
+  let startingIndex = -1;
+  let endingIndex = -1;
+  const lines = operations.split("\n");
+  lines.map((line, index) => {
+    if (startingIndex === -1) {
+      if (line.startsWith(`query ${queryName}`)) startingIndex = index;
+    } else if (endingIndex === -1) {
+      if (line.startsWith("query")) endingIndex = index;
+    }
+  });
+  return lines.slice(startingIndex, endingIndex).join("\n");
+}
+
+export async function getEras(
+  variables: GetErasQueryVariables
+): Promise<GetErasQuery> {
+  const query = getQueryFromOperations("getEras");
+  return await graphQL(query, JSON.stringify(variables));
+}
+
+export async function getChronologyItems(
+  variables: GetChronologyItemsQueryVariables
+): Promise<GetChronologyItemsQuery> {
+  const query = getQueryFromOperations("getChronologyItems");
+  return await graphQL(query, JSON.stringify(variables));
+}
+
+export async function getLibraryItemsPreview(
+  variables: GetLibraryItemsPreviewQueryVariables
+): Promise<GetLibraryItemsPreviewQuery> {
+  const query = getQueryFromOperations("getLibraryItemsPreview");
+  return await graphQL(query, JSON.stringify(variables));
+}

src/pages/chronology/overview.tsx

@@ -4,19 +4,18 @@ import SubPanel from "components/Panels/SubPanel";
 import ReturnButton from "components/Panels/ReturnButton";
 import NavOption from "components/Panels/NavOption";
 import ChronologyYearComponent from "components/Chronology/ChronologyYearComponent";
-import {
-  getChronologyItems,
-  getChronologyEras,
-  ChronologyItem,
-  ChronologyItemsEvent,
-} from "queries/chronology/overview";
 import { applyCustomAppProps } from "pages/_app";
-import { ChronologyEraEntityResponseCollection } from "queries/types";
+import {
+  ChronologyItemEntity,
+  GetChronologyItemsQuery,
+  GetErasQuery,
+} from "graphql/operations-types";
+import { getEras, getChronologyItems } from "graphql/operations";
 
-type Props = {
-  chronologyItems: ChronologyItem[];
-  chronologyEras: ChronologyEraEntityResponseCollection;
-};
+interface Props {
+  chronologyItems: GetChronologyItemsQuery;
+  chronologyEras: GetErasQuery;
+}
 
 applyCustomAppProps(ChronologyOverview, {
   useSubPanel: true,
@@ -25,68 +24,66 @@ applyCustomAppProps(ChronologyOverview, {
 
 export default function ChronologyOverview(props: Props): JSX.Element {
   // Group by year the Chronology items
-  let chronologyItemYearGroups: ChronologyItem[][] = [];
-  props.chronologyItems.map((item: ChronologyItem) => {
+
+  let chronologyItemYearGroups: ChronologyItemEntity[][] = [];
+
+  if (props.chronologyItems.chronologyItems) {
+    props.chronologyItems.chronologyItems.data.map((item) => {
+      if (item && item.attributes) {
         if (!chronologyItemYearGroups.hasOwnProperty(item.attributes.year)) {
           chronologyItemYearGroups[item.attributes.year] = [item];
         } else {
           chronologyItemYearGroups[item.attributes.year].push(item);
         }
+      }
     });
+  }
 
   return (
     <>
       <SubPanel>
-
         <ReturnButton url="/chronology" title="Chronology" />
         <hr />
 
-        {props.chronologyEras.data.map((era) => (
+        {props.chronologyEras.chronologyEras
+          ? props.chronologyEras.chronologyEras.data.map((era) => (
+              <>
+                {era.attributes && era.attributes.title ? (
                   <NavOption
                     key={era.id}
                     url={"#" + era.attributes.slug}
                     title={
-              era.attributes.title.length ? era.attributes.title[0].title : ""
+                      era.attributes.title[0]
+                        ? era.attributes.title[0].title
+                        : ""
                     }
                     subtitle={
-              era.attributes.starting_year + " → " + era.attributes.ending_year
+                      era.attributes.starting_year +
+                      " → " +
+                      era.attributes.ending_year
                     }
                     border={true}
                   />
-        ))}
+                ) : (
+                  ""
+                )}
+              </>
+            ))
+          : ""}
       </SubPanel>
 
       <ContentPanel>
-        {props.chronologyItems.map((item: ChronologyItem) => {
-          if (!item.attributes.year)
-            console.warn("Missing year on ChronologyItem (" + item.id + ")");
-          item.attributes.events.map((event: ChronologyItemsEvent) => {
-            if (!event.source.data) {
-              console.warn(
-                "Missing Source on ChronologyItem (" +
-                  item.id +
-                  "), Event (" +
-                  event.id +
-                  ")"
+        {chronologyItemYearGroups.map((items, index: number) => {
+          if (items && items[0].attributes?.year) {
+            return (
+              <ChronologyYearComponent
+                key={index}
+                year={items[0].attributes?.year}
+                items={items}
+              />
             );
           }
-            if (event.translations.length < 1) {
-              console.warn(
-                "Missing Translation on ChronologyItem (" +
-                  item.id +
-                  "), Event (" +
-                  event.id +
-                  ")"
-              );
-            }
-          });
         })}
-
-        {chronologyItemYearGroups.map(
-          (items: ChronologyItem[], index: number) => {
-            return <ChronologyYearComponent key={index} items={items} />;
-          }
-        )}
       </ContentPanel>
     </>
   );
@@ -95,8 +92,10 @@ export default function ChronologyOverview(props: Props): JSX.Element {
 export const getStaticProps: GetStaticProps = async (context) => {
   return {
     props: {
-      chronologyItems: await getChronologyItems(context.locale),
-      chronologyEras: await getChronologyEras(context.locale),
+      chronologyItems: await getChronologyItems({
+        language_code: context.locale,
+      }),
+      chronologyEras: await getEras({ language_code: context.locale }),
     },
   };
 };

src/pages/library/index.tsx

@@ -1,12 +1,13 @@
 import { GetStaticProps } from "next";
 import SubPanel from "components/Panels/SubPanel";
 import ContentPanel from "components/Panels/ContentPanel";
-import { LibraryItem, getLibraryItems } from "queries/library/index";
 import LibraryItemComponent from "components/Library/LibraryItemComponent";
 import { applyCustomAppProps } from "pages/_app";
+import { GetLibraryItemsPreviewQuery } from "graphql/operations-types";
+import { getLibraryItemsPreview } from "graphql/operations";
 
 type Props = {
-  libraryItems: LibraryItem[];
+  libraryItems: GetLibraryItemsPreviewQuery;
 };
 
 applyCustomAppProps(Library, {
@@ -15,6 +16,8 @@ applyCustomAppProps(Library, {
 });
 
 export default function Library(props: Props): JSX.Element {
+
+  console.log(props);
   return (
     <>
       <SubPanel>
@@ -29,7 +32,7 @@ export default function Library(props: Props): JSX.Element {
       </SubPanel>
 
       <ContentPanel>
-        {props.libraryItems.map((item: LibraryItem) => (
+        {props.libraryItems.libraryItems?.data.map((item) => (
           <LibraryItemComponent key={item.id} item={item} />
         ))}
       </ContentPanel>
@@ -40,7 +43,7 @@ export default function Library(props: Props): JSX.Element {
 export const getStaticProps: GetStaticProps = async (context) => {
   return {
     props: {
-      libraryItems: await getLibraryItems(context.locale),
+      libraryItems: await getLibraryItemsPreview({language_code: context.locale}),
     },
   };
 };

src/queries/chronology/overview.ts

@@ -1,109 +0,0 @@
-import { queryGraphQL } from "queries/helpers";
-import { Source } from "queries/helpers";
-import { ChronologyEraEntityResponseCollection } from "queries/types";
-
-export type ChronologyItem = {
-  id: string;
-  attributes: {
-    year: number;
-    month: number;
-    day: number;
-    displayed_date: string;
-    events: ChronologyItemsEvent[];
-  };
-};
-
-export type ChronologyItemsEvent = {
-  id: string;
-  source: Source;
-  translations: {
-    title: string;
-    description: string;
-    note: string;
-    status: string;
-  }[];
-};
-
-export async function getChronologyItems(
-  language_code: string | undefined
-): Promise<ChronologyItem[]> {
-  return (
-    await queryGraphQL(
-      `
-      {
-        chronologyItems (pagination: {limit: -1}, sort: ["year:asc", "month:asc", "day:asc"]) {
-          data {
-            id
-            attributes {
-              year
-              month
-              day
-              displayed_date
-              events {
-                id
-                source {
-                  data {
-                    attributes {
-                      name
-                    }
-                  }
-                }
-                translations(filters: { language: { code: { eq: "${language_code}" } } }) {
-                  title
-                  description
-                  note
-                  status
-                }
-              }
-            }
-          }
-        }
-      }
-      `
-    )
-  ).chronologyItems.data;
-}
-
-/*
-export type ChronologyEra = {
-  id: string;
-  attributes: ChronologyEraAttributes;
-};
-
-export type ChronologyEraAttributes = {
-  slug: string;
-  starting_year: number;
-  ending_year: number;
-  title: ChronologyEraTranslation[];
-};
-
-export type ChronologyEraTranslation = {
-  title: string;
-};
-*/
-
-export async function getChronologyEras(
-  language_code: string | undefined
-): Promise<ChronologyEraEntityResponseCollection> {
-  return (
-    await queryGraphQL(
-      `
-      {
-        chronologyEras {
-          data {
-            id
-            attributes {
-              slug
-              starting_year
-              ending_year
-              title (filters: {language: {code: {eq: "${language_code}"}}}){
-                title
-              }
-            }
-          }
-        }
-      }
-      `
-    )
-  ).chronologyEras;
-}

src/queries/helpers.ts

@@ -1,8 +1,9 @@
-export const queryGraphQL = async (query: String) => {
+export const queryGraphQL = async (query: string, variables?: string) => {
   const res = await fetch(process.env.URL_GRAPHQL, {
     method: "POST",
     body: JSON.stringify({
       query: query,
+      variables: variables
     }),
     headers: {
       "content-type": "application/json",
@@ -12,17 +13,6 @@ export const queryGraphQL = async (query: String) => {
   return (await res.json()).data;
 };
 
-export const queryGraphQLSystem = async (query: string) => {
-  const res = await fetch(
-    process.env.URL_GRAPHQL_SYSTEM +
-      "?access_token=" +
-      process.env.ACCESS_TOKEN +
-      "&query=" +
-      query
-  );
-  return (await res.json()).data;
-};
-
 export function getAssetURL(url: string): string {
   return process.env.NEXT_PUBLIC_URL_CMS + url;
 }