48 lines
3.2 KiB
SQL
48 lines
3.2 KiB
SQL
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-- ════════════════════════════════════════════════════════════════════════════
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-- External file mounts
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-- ════════════════════════════════════════════════════════════════════════════
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-- Admin-configured mounts that expose an external backend (raw host filesystem
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-- in v1; SFTP/WebDAV/… as future provider `kind`s) as a folder inside a user's
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-- drive. The mount ROOT is a normal `storage.folders` row (so it participates in
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-- ltree, drive scoping, and ACL grants like any folder); everything BELOW it is
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-- virtual — read live from the backend, never stored in `storage.files`.
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--
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-- This table maps a mount-root folder to its backend. `kind` selects the
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-- provider implementation; `config` carries provider-specific connection data
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-- (a stable JSONB bag so adding a new provider kind needs no schema change):
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-- * local_fs → {"path": "/mnt/share"}
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-- * sftp (future) → {"host": "...", "port": 22, "user": "...", "base_path": "..."}
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--
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-- Mount contents are deliberately a LIMITED, SEPARATE storage type: no blob
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-- dedup, no per-file sharing/favorites/trash/search in v1 (deletes are real,
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-- permanent backend deletes). See docs / plan for the forward path.
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-- ════════════════════════════════════════════════════════════════════════════
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CREATE TABLE IF NOT EXISTS storage.external_mounts (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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-- The mount-root folder. Deleting that folder row removes the mount mapping.
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mount_folder_id UUID NOT NULL UNIQUE
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REFERENCES storage.folders(id) ON DELETE CASCADE,
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-- Provider discriminator (selects the ExternalMountProvider implementation).
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kind TEXT NOT NULL DEFAULT 'local_fs',
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-- Provider-specific connection config; shape depends on `kind`.
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config JSONB NOT NULL DEFAULT '{}'::jsonb,
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-- Display name (mirrors the folder name; kept for admin listings).
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name TEXT NOT NULL,
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-- Admin/user who owns the mount configuration.
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owner_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
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-- When true, the provider refuses all mutations (browse/download only).
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read_only BOOLEAN NOT NULL DEFAULT FALSE,
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-- Visibility policy. 'owner' = only the owner's drive sees it (v1).
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-- Reserved for future 'shared' semantics.
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visibility TEXT NOT NULL DEFAULT 'owner',
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE INDEX IF NOT EXISTS idx_external_mounts_folder
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ON storage.external_mounts(mount_folder_id);
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COMMENT ON TABLE storage.external_mounts IS
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'Admin-configured external backends (local_fs/sftp/…) surfaced as a mount-root folder; contents are virtual and read live from the provider.';
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