共有メカニズムの実装

同じブランドに属する複数のCommunity Userが、
相互にレコードを閲覧・編集できる

User {
  Id: "005...",
  ContactId: "003...",
  Contact: {
    AccountId: "001XXX..." // Community Licensee Account
  }
}

Maker_Code__c {
  Id: "a3x...",
  Name: "Brand A",
  Owner_Account__c: "001XXX..." // Community Licensee Account と同じ
}

Design_Family_Name__c {
  Id: "a1x...",
  Name: "Modern Chair Series",
  OwnerId: "005...", // User1のID
  Maker_Code__c: "a3x...", // Vendor BrandのID
  Brand_Account_Id__c: "001XXX..." // 数式で自動計算
}

User.Account = デザイン・ファミリー.Maker_Code__c.Owner_Account__c

// 擬似コード
function canAccess(user, designFamily) {
  const userAccountId = user.Contact.AccountId;
  const recordOwnerAccountId = designFamily.Maker_Code__r.Owner_Account__c;
  
  if (userAccountId === recordOwnerAccountId) {
    return { access: true, level: 'Edit' };
  } else {
    return { access: false };
  }
}

<!-- Brand_Account_Id__c -->
<CustomField>
  <fullName>Brand_Account_Id__c</fullName>
  <formula>CASESAFEID( Maker_Code__r.Account__c )</formula>
  <label>Brand Account Id</label>
  <type>Text</type>
</CustomField>

<!-- Owner_Account__c -->
<CustomField>
  <fullName>Owner_Account__c</fullName>
  <label>Owner Account</label>
  <referenceTo>Account</referenceTo>
  <relationshipName>Product_Code</relationshipName>
  <type>Lookup</type>
</CustomField>

// トリガーまたはFlowで設定
trigger ProductTrigger on Product__c (before insert, before update) {
    for (Product__c prod : Trigger.new) {
        if (prod.Product2_Brand__c != null) {
            // Vendor BrandからOwner Accountを取得
            Maker_Code__c vendorBrand = [
                SELECT Owner_Account__c 
                FROM Maker_Code__c 
                WHERE Id = :prod.Product2_Brand__c
            ];
            prod.Owner_Account__c = vendorBrand.Owner_Account__c;
        }
    }
}

<CustomObject>
  <sharingModel>ReadWrite</sharingModel>
  <externalSharingModel>Private</externalSharingModel>
</CustomObject>

✅ レコード所有者 = Community User（実際の担当者）

// Chatter Feedは、レコードへのRead権限があれば閲覧可能
// Sharing Set Settingで Read/Write権限を付与しているため、
// 同じブランドのユーザー全員がFeedにアクセス可能

User1 (所有者): "@User2 このデザインを確認してください"
  ↓
User2 に通知が届く
  ↓
User2 はレコードにアクセスしてコメント返信

<CustomField>
  <fullName>Allow_Access_by_R_Modeling_Team__c</fullName>
  <label>Allow Access by R. Modeling Team</label>
  <type>Checkbox</type>
  <defaultValue>false</defaultValue>
</CustomField>

<sharingCriteriaRules>
  <fullName>Allow_Access_by_R_Modeling_Team</fullName>
  <accessLevel>Edit</accessLevel>
  <sharedTo>
    <portalRoleAndSubordinates>RDesignSupportTeam</portalRoleAndSubordinates>
  </sharedTo>
  <criteriaItems>
    <field>Allow_Access_by_R_Modeling_Team__c</field>
    <operation>equals</operation>
    <value>True</value>
  </criteriaItems>
  <includeRecordsOwnedByAll>true</includeRecordsOwnedByAll>
</sharingCriteriaRules>

Brand A User が Design Family を作成
  ↓
デフォルトでは Brand A 内でのみ共有
  ↓
サポートが必要な場合、"Allow Access by R. Modeling Team" をチェック
  ↓
R.Design Support Team がアクセス可能に

<CustomObject>
  <sharingModel>Private</sharingModel>
  <externalSharingModel>Private</externalSharingModel>
</CustomObject>

<CustomObject>
  <sharingModel>ControlledByParent</sharingModel>
  <externalSharingModel>ControlledByParent</externalSharingModel>
</CustomObject>

Brand A User が Design Family にアクセス可能
  ↓ 自動的に
Brand A User が関連する全 Design Version にアクセス可能

Design_Family_Name__c (親)
  └─ Design_Version__c (子)
      ├─ Design_Mesh_Junction__c (孫)
      ├─ Design_Product_Attribute_Junction__c (孫)
      └─ Custom_Option_n_Design_Version_Junction__c (孫)

<sharingOwnerRules>
  <fullName>Share_To_Brand_A</fullName>
  <accessLevel>Edit</accessLevel>
  <sharedTo>
    <portalRoleAndSubordinates>BrandAStandard</portalRoleAndSubordinates>
  </sharedTo>
  <sharedFrom>
    <roleAndSubordinates>Excecutives</roleAndSubordinates>
  </sharedFrom>
</sharingOwnerRules>

SELECT Id, Name, Owner_Account__c, Maker_Code__r.Owner_Account__c
FROM Design_Family_Name__c
WHERE Id = 'a1x...'

SELECT Id, Name, Contact.AccountId, Contact.Account.Name
FROM User
WHERE Id = '005...'

// 比較
Design_Family.Maker_Code__r.Owner_Account__c === User.Contact.AccountId

Setup → Sharing Settings → Sharing Set Settings
→ ユーザーのProfileを確認

SELECT Id, ParentId, UserOrGroupId, AccessLevel, RowCause
FROM Design_Family_Name__Share
WHERE ParentId = 'a1x...'

✅ Owner_Account__c - 共有判定用
✅ Brand_Account_Id__c - 数式フィールド（ID取得）
❌ Account__c - 曖昧（用途が不明確）

✅ "AMOCC PTE. LTD. パートナー ユーザ"
✅ "Allow Access by R. Modeling Team"
❌ "Rule1" - 用途が不明