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36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
package models
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import (
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"time"
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"github.com/google/uuid"
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)
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// CampaignAttachment is the metadata + ownership record for an email
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// attachment. The binary itself lives in object storage at S3Key.
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type CampaignAttachment struct {
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ID uuid.UUID `json:"id"`
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CampaignID uuid.UUID `json:"campaign_id"`
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SequenceID *uuid.UUID `json:"step_id,omitempty"`
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UserID uuid.UUID `json:"user_id"`
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Filename string `json:"filename"`
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Size int64 `json:"size"`
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MimeType string `json:"mime_type"`
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S3Key string `json:"s3_key"`
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CreatedAt time.Time `json:"created_at"`
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}
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// AttachmentObjectKey is where an attachment's bytes live in object storage.
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// Upload and duplicate both write keys through this so the layout stays one.
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func AttachmentObjectKey(campaignID uuid.UUID, filename string) string {
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return "attachments/" + campaignID.String() + "/" + uuid.NewString() + "-" + filename
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}
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// AttachmentRef is the lightweight reference carried through the send pipeline
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// (backend → Kafka → worker). The worker fetches the bytes from S3 by key.
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type AttachmentRef struct {
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S3Key string `json:"s3_key"`
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Filename string `json:"filename"`
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MimeType string `json:"mime_type"`
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}
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