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今日から始めるAmplify DataStore
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sutetotanuki
June 23, 2020
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今日から始めるAmplify DataStore
sutetotanuki
June 23, 2020
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Transcript
ాক ࠓ͔Β࢝ΊΔ"NQMJGZ%BUB4UPSF
ࣗݾհ ాক wαʔόʔαΠυΤϯδχΞ w"84ߏங ϞόΠϧΞϓϦͷόοΫΤϯυ"1* w"OESPJE /&8 w͖ͳ"84αʔϏε
w4 &$4 wۀͰ༻͢Δݴޠ w3VCZ (P 1ZUIPO +BWB4DSJQU ,PUMJO
ࠓ͢ࣄ w"84"NQMJGZ%BUB4UPSFͱʁ wجຊతͳ͍ํ wར༻্ͷҙ wϢʔεέʔε
AWS Amplify DataStore ͱʁ
"NQMJGZͱ Amplifyͱ
"NQMJGZ
"84"NQMJGZ$POTPMF ϗεςΟϯά
"84"NQMJGZ$-* $-*Ͱ"84ϦιʔεΛ࡞ͨ͠Γ ίʔυΛੜ͢Δ
"84"NQMJGZ-JCSBSJFT ΞϓϦέʔγϣϯʹΈࠐ·Ε ΔϥΠϒϥϦ܈
"NQMJGZ%BUB4UPSFͱ Amplify DataStore ͱ
"NQMJGZ%BUB4UPSFͷಛ wநͷߴ͍σʔλૢ࡞"1* wΦϑϥΠϯରԠ wσʔλڝ߹ͷ͠͞Λ͋Δఔܰݮ
%BUB4UPSF"1* w%BUB4UPSFTBWF w%BUB4UPSFRVFSZ w%BUB4UPSFEFMFUF w%BUB4UPSFPCTFSWF
%BUB4UPSF"1*$36% w%BUB4UPSFTBWF w%BUB4UPSFRVFSZ w%BUB4UPSFEFMFUF w%BUB4UPSFPCTFSWF ొɾߋ৽
औಘ আ
%BUB4UPSF"1*ϦΞϧλΠϜߋ৽ w%BUB4UPSFTBWF w%BUB4UPSFRVFSZ w%BUB4UPSFEFMFUF w%BUB4UPSFPCTFSWF ߋ৽௨
"NQMJGZ%BUB4UPSFσʔλͷྲྀΕ
"NQMJGZ%BUB4UPSFσʔλͷྲྀΕ
جຊతͳ͍ํ
جຊతͳखॱ w"NQMJGZ"QQΛ࡞ w(SBQI2-εΩʔϚΛ࡞ wεΩʔϚ͔ΒίʔυΛࣗಈੜɹ wΞϓϦέʔγϣϯͷΈࠐΈ
Πϝʔδ
"NQMJGZ$-*ΛΠϯετʔϧ $ npm install -g @aws-amplify/cli
"NQMJGZ"QQΛ࡞ $ amplify init w"NQMJGZʹඞཁͳϑΝΠϧΛੜ wରԠ͍ͯ͠ΔϑϨʔϜϫʔΫΛݕ
"1*Λ࡞ $ amplify add api w௨৴ํࣜΛબͿ ࠓճ(SBQI2- wೝূํࣜΛબͿ
ࠓճ$PHOJUPΛબ
(SBQI2-εΩʔϚ enum TodoStatus { WAITING DONE } type Todo
@model @auth(rules: [{allow: owner}]){ id: ID! owner: String title: String items: [TodoItem] @connection(name: "TodoItems") status: TodoStatus } type TodoItem @model { id: ID! owner: String content: String todo: Todo @connection(name: "TodoItems") status: TodoStatus }
(SBQI2-εΩʔϚ enum TodoStatus { WAITING DONE } type Todo
@model @auth(rules: [{allow: owner}]){ id: ID! owner: String title: String items: [TodoItem] @connection(name: "TodoItems") status: TodoStatus } type TodoItem @model { id: ID! owner: String content: String todo: Todo @connection(name: "TodoItems") status: TodoStatus } ྻڍܕ 50%0ຊମ 50%0ΞΠςϜ
(SBQI2-εΩʔϚόοΫΤϯυ type Todo @model @auth(rules: [{allow: owner}]){ NPEFMτϥϯεϑΥʔϜΛ͚ͭΔ͜ͱͰ "NQMJGZ͕ඞཁͳ"84ϦιʔεΛ࡞͢Δͷʹ
ඞཁͳίʔυΛੜ͢Δ
(SBQI2-εΩʔϚݖݶཧ type Todo @model @auth(rules: [{allow: owner}]){ owner: String
BVUIτϥϯεϑΥʔϜΛ͚ͭΔ͜ͱͰɺ͜ͷϞσϧ ʹΞΫηεͰ͖ΔݖݶΛ͚ͭΔ͜ͱ͕Ͱ͖Δ ࠓճϞσϧͷ࡞ऀͷΈ͕͜ͷϞσϧΞΫηε Ͱ͖ΔΑ͏ʹ͍ͯ͠Δ
(SBQI2-εΩʔϚؔ࿈ type Todo @model @auth(rules: [{allow: owner}]){ items: [TodoItem]
@connection(name: "TodoItems") type TodoItem @model { todo: Todo @connection(name: "TodoItems") DPOOFDUJPOτϥϯεϑΥʔϜͰϞσϧಉ࢜ͷ ؔ࿈Λઃఆ͢Δ͜ͱ͕Ͱ͖Δ
ϞσϧʹඞཁͳϑΝΠϧΛੜ $ amplify codegen models w(SBQI2-ͷεΩʔϚ͔ΒΞϓϦέʔγϣϯ ͕༻͢ΔϞσϧͷίʔυΛࣗಈੜ w(SBQI2-ͷίʔυΛࣗಈੜ
"84ڥΛߏங $ amplify push w"84ϦιʔεΛ࡞͠ɺόοΫΤϯυΛߏங ͢Δ
"NQMJGZ-JCSBSJFTΛΠϯετʔϧ $ yarn add aws-amplify aws-amplify-vue
$PHOJUPೝূ <template> <amplify-authenticator></amplify-authenticator> </template> ೝূํ๏ʹ$PHOJUPΛબΜͰ͍ΔͷͰ$PHOJUPͰ ϩάΠϯग़དྷΔύʔπΛΈࠐΉ $PHOJUPೝূࡁΈͷϢʔβʔ͕σʔλΛొ͢Δͱ BVUIτϥϯεϑΥʔϜͷޮՌͰίʔυΛ ॻ͔ͳͯࣗ͘ಈʹϞσϧอଘ࣌ʹઃఆ͞ΕΔ
Ϟσϧͷอଘ await DataStore.save( new Todo({ title: this.todoTitle, status: TodoStatus.WAITING
}) ); %BUB4UPSFTBWFʹϞσϧͷΠϯελϯεΛ͠ σʔλΛอଘ͠·͢
ؔ࿈ͷ͋ΔϞσϧͷอଘ async createTodoItem(todo) { await DataStore.save( new TodoItem({ todo:
todo }) ); DPOOFDUJPOτϥϯεϨʔλʔΛઃఆͨ͠ ϑΟʔϧυʹؔ࿈͢ΔϞσϧͷΠϯελϯεΛ ઃఆͯ͠อଘ͢Δ
ϞσϧͷσʔλΛऔಘ %BUB4UPSFRVFSZʹϞσϧΛ͠ɺ σʔλΛऔಘ͠·͢ async fetchTodos() { this.todos = await
DataStore.query(Todo, Predicates.ALL); },
ϞσϧͷσʔλΛݕࡧ %BUB4UPSFRVFSZʹୈҰҾʹϞσϧΛΘͨ͠ ୈ̎Ҿʹݕࡧ݅Λࢦఆ͢Δ ্هྫTUBUVT͕8"*5*/(ͷͷ͚ͩΛ நग़͢Δ this.todoItems = await DataStore.query(
TodoItem, c => c.status("eq", TodoStatus.WAITING) )
ؔ࿈ͷ͋ΔϞσϧͷσʔλΛݕࡧ GJMUFSͰؔ࿈Ϟσϧͷ*%͕ઃఆ͞Ε͍ͯΔσʔλ͚ͩ ΛߜΓࠐΉ async fetchTodoItems(todo) { this.todoItems = (
await DataStore.query(TodoItem, c => c.status("eq", TodoStatus.WAITING)) ).filter(item => item.todo && item.todo.id === todo.id); },
Ϟσϧͷߋ৽ͷϦΞϧλΠϜ௨ %BUB4UPSFPCTFSWFͷୈҰҾʹϞσϧΛΘͨ͠ ߋ৽͕͋ͬͨ߹ͷίʔϧόοΫΛઃఆ͢Δ DataStore.observe(Todo).subscribe(() => { this.fetchTodos(); });
Ϟσϧͷߋ৽ await DataStore.save( TodoItem.copyOf(todoItem, updated => { updated.status =
TodoStatus.DONE; }) ); ϞσϧͷΠϯελϯεΠϛϡʔλϒϧͳͷͰɺ ίϐʔ͠ΠϯελϯεͷΛ্ॻ͖ͨ͠ͷΛ อଘ͢Δ͜ͱͰߋ৽͢Δ
Ϟσϧͷσʔλͷআ await DataStore.delete(Todo, Predicates.ALL); %BUB4UPSFEFMFUFϝιουʹϞσϧΛ ͢͜ͱͰআ͢Δ
ҙ
ϩʔΧϧσʔλͷΫϦΞ async logout({ commit }) { await DataStore.clear(); }
ϩάΞτ࣌ʹϩʔΧϧσʔλΛΫϦΞ͢Δඞཁ ͕͋Δɻ ΫϦΞ͠ͳ͍ͱผͷϢʔβʔͰϩάΠϯͨ͠߹ ʹɺϩʔΧϧσʔλ͕ࠞࡏͯ͠͠·͏
Ϣʔεέʔε
Ϣʔεέʔε wϦΞϧλΠϜߋ৽͕ඞཁͳΞϓϦ wήʔϜɺνϟοτ wωοτϫʔΫ͕ෆ҆ఆͳॴͰ͏ ΞϓϦ
None